gcc/ChangeLog

   1 2019-06-13  Richard Biener  <rguenther@suse.de>
   2
   3         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
   4         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
   5         also return the condition stmt.
   6         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
   7         loop we can version and version that, reusing the loop version
   8         created by if-conversion instead of versioning again.
   9
  10 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
  11
  12         * gimple-loop-versioning.cc (prune_loop_conditions): Use
  13         may_contain_p.
  14         * tree-vrp (value_range_base::may_contain_p): Call into
  15         value_inside_range.
  16         (value_inside_range): Make private inside value_range_base class.
  17         Take min/max from *this.
  18         (range_includes_p): Remove.
  19         * tree-vrp.h (value_range_base): Add value_inside_range.
  20         (range_includes_p): Remove.
  21         (range_includes_zero_p): Call may_contain_p.
  22         * vr-values.c (compare_range_with_value): Same.
  23
  24 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
  25
  26         * doc/extend.texi (ARC Function Attributes): Update info.
  27
  28 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
  29
  30         PR tree-optimization/89713
  31         * doc/invoke.texi (-ffinite-loops): Document new option.
  32         * common.opt (-ffinite-loops): New option.
  33         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
  34         IFN_GOACC_LOOP calls as necessary.
  35         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
  36         is finite.
  37         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
  38         IFN_GOACC_LOOP call is not used.
  39         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
  40
  41 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  42
  43         PR target/88838
  44         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
  45         compare_type is not with Pmode size, we will create an IV with
  46         Pmode size with truncated use (i.e. converted to the correct type).
  47         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
  48         (vect_iv_limit_for_full_masking): New. Factored out of
  49         vect_set_loop_condition_masked.
  50         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
  51         (vect_iv_limit_for_full_masking): Declare.
  52
  53 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  54
  55         PR target/88834
  56         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
  57         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
  58         (get_alias_ptr_type_for_ptr_address): Likewise.
  59         (add_iv_candidate_for_use): Add scaled index candidate if useful.
  60         * tree-ssa-address.c (preferred_mem_scale_factor): New.
  61         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
  62         allow_reg_index_p.
  63
  64 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  65
  66         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
  67
  68 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
  69
  70         * common/config/pru/pru-common.c: New file.
  71         * config.gcc: Add PRU target.
  72         * config/pru/alu-zext.md: New file.
  73         * config/pru/constraints.md: New file.
  74         * config/pru/predicates.md: New file.
  75         * config/pru/pru-opts.h: New file.
  76         * config/pru/pru-passes.c: New file.
  77         * config/pru/pru-pragma.c: New file.
  78         * config/pru/pru-protos.h: New file.
  79         * config/pru/pru.c: New file.
  80         * config/pru/pru.h: New file.
  81         * config/pru/pru.md: New file.
  82         * config/pru/pru.opt: New file.
  83         * config/pru/t-pru: New file.
  84         * doc/extend.texi: Document PRU pragmas.
  85         * doc/invoke.texi: Document PRU-specific options.
  86         * doc/md.texi: Document PRU asm constraints.
  87
  88 2019-06-12  Martin Sebor  <msebor@redhat.com>
  89
  90         PR middle-end/90676
  91         * tree-pretty-print.c (dump_mem_ref): New function.  Include
  92         MEM_REF type in output when different size than operand.
  93         (dump_generic_node): Move code to dump_mem_ref and call it.
  94
  95 2019-06-12  Martin Sebor  <msebor@redhat.com>
  96
  97         PR tree-optimization/90662
  98         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
  99         to arrays.
 100
 101 2019-06-12  Tom de Vries  <tdevries@suse.de>
 102
 103         PR tree-optimization/90009
 104         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 105
 106 2019-06-12  Martin Liska  <mliska@suse.cz>
 107
 108         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 109         the created map.
 110         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 111         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 112         Do not sanitize created maps.
 113
 114 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 115
 116         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 117         value_range::singleton_p.
 118         * tree-vrp.c (value_range_constant_singleton): Remove.
 119         * tree-vrp.h (value_range_constant_singleton): Remove.
 120         * vr-values.c (vr_values::singleton): Use
 121         value_range::singleton_p.
 122
 123 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 124
 125         PR target/90811
 126         * cfgexpand.c (align_local_variable): Add really_expand argument,
 127         don't SET_DECL_ALIGN if it is false.
 128         (add_stack_var): Add really_expand argument, pass it through to
 129         align_local_variable.
 130         (expand_one_stack_var_1): Pass true as really_expand to
 131         align_local_variable.
 132         (expand_one_ssa_partition): Pass true as really_expand to
 133         add_stack_var.
 134         (expand_one_var): Pass really_expand through to add_stack_var.
 135
 136 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 137
 138         * config/arm/iterators.md (VABAL): New int iterator.
 139         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 140         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 141         values.
 142
 143 2019-06-12  Martin Liska  <mliska@suse.cz>
 144
 145         * value-prof.c (stream_out_histogram_value): Only first value
 146         can't be negative.
 147
 148 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 149
 150         PR c/90760
 151         * symtab.c (symtab_node::set_section): Allow being called on aliases
 152         as long as they aren't analyzed yet.
 153
 154 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 155
 156         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 157         to `mips_set_text_contents_type' to indicate whether a
 158         non-debug insn follows.
 159
 160 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 161
 162         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 163         enabling -mpcrel by default.
 164         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 165         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 166         that the test against -mcpu=future is done first.  Then test if
 167         -mprefixed-addr is on for -mpcrel.
 168         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 169
 170 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 171
 172         PR target/90811
 173         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 174         instead of and.u%d.
 175
 176 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 177
 178         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 179
 180 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 181
 182         PR c++/90449 - add -Winaccessible-base option.
 183         * doc/invoke.texi (Winaccessible-base): Document.
 184
 185 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 186
 187         PR tree-optimization/62041
 188         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 189
 190 2019-06-11  Jason Merrill  <jason@redhat.com>
 191
 192         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 193         * tree.c (get_tree_code_name): Likewise.
 194         * print-tree.c (print_node): Only briefly print a node with an
 195         invalid code.
 196
 197 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 198
 199         PR bootstrap/90819
 200         * trans-mem.c (tm_memopt_compute_available): Add assertion
 201         that blocks is not empty.  Formatting fix.
 202
 203 2019-06-11  Martin Liska  <mliska@suse.cz>
 204
 205         PR c++/87847
 206         * hash-table.h: Extend create_gcc, add one parameter
 207         that is passed into hash_table::hash_table.
 208
 209 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 210
 211         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 212         New prototype.
 213         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 214         Emit clobber also for non-sse operations.
 215         (ix86_split_fp_absneg_operator): New function.
 216         * config/i386/i386.md (SSEMODEF): New mode iterator.
 217         (ssevecmodef): New mode attribute.
 218         (<code>tf2): Use absneg code iterator.
 219         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 220         Add three-operand AVX alternatives.
 221         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 222         Use absneg code iterator and X87MODEF mode iterator.
 223         (absneg fp_reg non-sse splitter): Call absneg code iterator
 224         and X87MODEF mode iterator.
 225         (absneg general_reg non-sse splitter): Use absneg code iterator
 226         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 227         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 228         code iterator.  Add three-operand AVX alternative.
 229         (absneg sse_reg splitter): Use absneg code iterator
 230         and SSEMODEF mode iterator.  Handle AVX operands.
 231         (absneg fp_reg splitter): Use absneg code iterator
 232         and MODEF mode iterator.
 233         (absneg general_reg splitter): Merge splitters using MODEF mode
 234         iterator.  Use absneg code iterator.  Call
 235         ix86_split_fp_absneg_operator.
 236         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 237         Do not enable for non-sse modes before reload.
 238         (CSGNMODE): Remove.
 239         (CSGNVMODE): Ditto.
 240         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 241         ssevecmodef mode attribute instaed of CSGNVMODE.
 242         (copysign<mode>3_const): Ditto.
 243         (copysign<mode>3_var): Ditto.
 244         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 245         Use absneg code iterator.  Simplify code using std::swap.
 246         * config/i386/predicates.md (absneg_operator): Remove.
 247
 248 2019-06-10  Martin Sebor  <msebor@redhat.com>
 249
 250         * gimple-fold.c (get_range_strlen): Update comment that didn't
 251         make it into r267503 or related commits.
 252
 253 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 254
 255         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 256         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 257
 258 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 259
 260         * tree.def (OMP_SCAN): New tree code.
 261         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 262         OMP_CLAUSE_EXCLUSIVE.
 263         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 264         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 265         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 266         OMP_CLAUSE_{IN,EX}CLUSIVE.
 267         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 268         * tree-nested.c (convert_nonlocal_reference_stmt,
 269         convert_local_reference_stmt, convert_gimple_call): Handle
 270         GIMPLE_OMP_SCAN.
 271         * tree-pretty-print.c (dump_omp_clause): Handle
 272         OMP_CLAUSE_{IN,EX}CLUSIVE.
 273         (dump_generic_node): Handle OMP_SCAN.
 274         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 275         * gimple.h (gomp_scan): New type.
 276         (is_a_helper <gomp_scan *>::test,
 277         is_a_helper <const gomp_scan *>::test): New templates.
 278         (gimple_build_omp_scan): Declare.
 279         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 280         gimple_omp_scan_set_clauses): New inline functions.
 281         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 282         * gimple.c (gimple_build_omp_scan): New function.
 283         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 284         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 285         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 286         GIMPLE_OMP_TASKGROUP.
 287         (dump_gimple_omp_scan): New function.
 288         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 289         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 290         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 291         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 292         (is_gimple_stmt): Handle OMP_SCAN.
 293         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 294         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 295         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 296         mentioned in nested #pragma omp scan.  Handle
 297         OMP_CLAUSE_{IN,EX}CLUSIVE.
 298         (gimplify_expr): Handle OMP_SCAN.
 299         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 300         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 301         simd constructs.
 302         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 303         GIMPLE_OMP_SCAN.
 304
 305 2019-06-10  Martin Liska  <mliska@suse.cz>
 306
 307         * ipa-cp.c (ignore_edge_p): New function.
 308         (build_toporder_info): Use it.
 309         * ipa-inline.c (ignore_edge_p): New function.
 310         (inline_small_functions): Use it.
 311         * ipa-pure-const.c (ignore_edge_for_nothrow):
 312         Verify opt_for_fn for caller and callee.
 313         (ignore_edge_for_pure_const): Likewise.
 314         * ipa-reference.c (ignore_edge_p): Extend to check
 315         for opt_for_fn.
 316         * ipa-utils.c (searchc): Refactor.
 317         * ipa-utils.h: Fix coding style.
 318
 319 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 320
 321         * config/arc/arc.c (arc_rtx_costs): Update costs.
 322
 323 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 324
 325         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 326         (arc_split_ior): Likewise.
 327         (arc_check_mov_const): Likewise.
 328         (arc_split_mov_const): Likewise.
 329         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 330         (arc_rtx_costs): Replace check Crr with Cax constraint.
 331         (prepare_move_operands): Cleanup, remove unused code.
 332         (arc_split_ior): New function.
 333         (arc_check_ior_const): Likewise.
 334         (arc_split_mov_const): Likewise.
 335         (arc_check_mov_const): Likewise.
 336         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 337         in define_insn_and_split pattern.
 338         (iorsi3): Likewise.
 339         (mulsi3_v2): Add new matching variant.
 340         (andsi3_i): Cleanup pattern.
 341         (rotrsi3_cnt1): Update pattern.
 342         (rotrsi3_cnt8): New pattern.
 343         (ashlsi2_cnt8): Likewise.
 344         (ashlsi2_cnt16): Likewise.
 345         * config/arc/constraints.md (C0p): Update constraint.
 346         (Crr): Remove it.
 347         (C0x): New pattern.
 348         (Cax): New pattern.
 349
 350 2019-06-10  Martin Liska  <mliska@suse.cz>
 351
 352         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 353         Update coding style.
 354         (sem_item_optimizer::dump_cong_classes):
 355         Print how many items are in a non-singular class.  Improve
 356         coding style.
 357
 358 2019-06-10  Martin Liska  <mliska@suse.cz>
 359
 360         * value-prof.c (dump_histogram_value): Change dump format.
 361         (gimple_mod_subtract_transform): Remove legacy comment.
 362
 363 2019-06-10  Martin Liska  <mliska@suse.cz>
 364
 365         * value-prof.c (dump_histogram_value): Print histogram values
 366         only if present.
 367
 368 2019-06-10  Martin Liska  <mliska@suse.cz>
 369
 370         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 371         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 372         * ipa-profile.c (ipa_profile_generate_summary):
 373         Use get_most_common_single_value.
 374         * tree-profile.c (gimple_init_gcov_profiler):
 375         Instrument with __gcov_one_value_profiler_v2
 376         and __gcov_indirect_call_profiler_v4.
 377         * value-prof.c (dump_histogram_value):
 378         Print all values for HIST_TYPE_SINGLE_VALUE.
 379         (stream_out_histogram_value): Update assert for
 380         N values.
 381         (stream_in_histogram_value): Set number of
 382         counters for HIST_TYPE_SINGLE_VALUE.
 383         (get_most_common_single_value): New.
 384         (gimple_divmod_fixed_value_transform):
 385         Use get_most_common_single_value.
 386         (gimple_ic_transform): Likewise.
 387         (gimple_stringops_transform): Likewise.
 388         (gimple_find_values_to_profile): Set number
 389         of counters for HIST_TYPE_SINGLE_VALUE.
 390         * value-prof.h (get_most_common_single_value):
 391         New.
 392
 393 2019-06-10  Martin Liska  <mliska@suse.cz>
 394
 395         * hash-map.h: Pass default value to hash_table ctor.
 396         * hash-table.h: Add default value to call of a ctor.
 397
 398 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 401         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 402
 403 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 404
 405         PR target/90751
 406         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 407         Call pa_output_function_label.
 408         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 409         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 410         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 411         to declaration.
 412         (pa_linux_output_function_prologue): Declare.
 413         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 414         (pa_output_function_label): New.
 415         (pa_output_function_prologue): Revise to use pa_output_function_label.
 416         (pa_linux_output_function_prologue): New.
 417         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 418
 419 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 420
 421         * tree-vrp.h (value_range_base::intersect): New.
 422         (value_range::intersect_helper): Move from here...
 423         (value_range_base::intersect_helper): ...to here.
 424         * tree-vrp.c (value_range::intersect_helper): Rename to...
 425         (value_range_base::intersect_helper): ...this, and rewrite to
 426         return a value instead of modifying THIS in place.
 427         Also, move equivalence handling...
 428         (value_range::intersect): ...here, while calling intersect_helper.
 429         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 430         calling intersect.
 431         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 432         Same.
 433         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 434
 435 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 436
 437         * Makefile.in (genprogerr): Add condmd.
 438         (genprog): Remove it here.
 439
 440 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 441
 442         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 443
 444 2019-06-07  Richard Biener  <rguenther@suse.de>
 445
 446         PR debug/90574
 447         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 448         that appear after user labels.
 449
 450 2019-06-07  Martin Liska  <mliska@suse.cz>
 451
 452         * cselib.c (cselib_init): Disable hash table
 453         sanitization.
 454         * hash-set.h: Pass new default argument to m_table.
 455         * hash-table.c: Add global variable with hash table
 456         sanitization limit.
 457         * hash-table.h (Allocator>::hash_table): Add new argument
 458         to ctor.
 459         (hashtab_chk_error): New.
 460         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 461         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 462         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 463
 464 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 465
 466         * common.opt (flto-odr-type-merging): Ignore.
 467         * invoke.texi (-flto-odr-type-merging): Remove.
 468         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 469         (can_be_vtable_hashed_p): Remove.
 470         (hash_odr_vtable): Remove.
 471         (odr_vtable_hasher::hash): Remove.
 472         (types_same_for_odr): Remove.
 473         (types_odr_comparable): Remove.
 474         (odr_vtable_hasher::equal): Remove.
 475         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 476         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 477         (get_odr_type): Do not use vtable hash.
 478         (dump_odr_type): Remove commented out code.
 479         (build_type_inheritance_graph): Do not allocate vtable hash.
 480         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 481         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 482         (odr_type_p): Likewise.
 483         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 484         test.
 485
 486 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 487
 488         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 489         immediately after same_types_for_tbaa_p returns -1 and continue
 490         looking for possible exact match; if matching types are arrays
 491         watch for partial overlaps.
 492         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 493         (indirect_refs_may_alias_p): Do type based disambiguation first;
 494         update comment.
 495
 496 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 497
 498         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 499
 500 2019-06-07  Martin Liska  <mliska@suse.cz>
 501
 502         * doc/invoke.texi: Remove param.
 503         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 504         Remove.
 505         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 506         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 507         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 508         * profile.c (instrument_values): Remove
 509         HIST_TYPE_INDIR_CALL_TOPN.
 510         * tree-profile.c (init_ic_make_global_vars):
 511         Always build __gcov_indirect_call only.
 512         (gimple_init_gcov_profiler): Remove usage
 513         of PARAM_INDIR_CALL_TOPN_PROFILE.
 514         (gimple_gen_ic_profiler): Likewise.
 515         * value-prof.c (dump_histogram_value): Likewise.
 516         (stream_in_histogram_value): Likewise.
 517         (gimple_indirect_call_to_profile): Likewise.
 518         (gimple_find_values_to_profile): Likewise.
 519         * value-prof.h (enum hist_type): Likewise.
 520
 521 2019-06-07  Martin Liska  <mliska@suse.cz>
 522
 523         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 524         function.
 525
 526 2019-06-07  Martin Liska  <mliska@suse.cz>
 527
 528         PR tree-optimization/78902
 529         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 530         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 531         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 532         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 533         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 534         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 535         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 536         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 537         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 538         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 539         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 540         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 541         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 542         New.
 543         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 544         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 545         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 546         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 547         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 548         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 549         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 550         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 551         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 552         warn_unused_result attribute.
 553         (BUILT_IN_STRDUP): Likewise.
 554         (BUILT_IN_STRNDUP): Likewise.
 555         (BUILT_IN_ALLOCA): Likewise.
 556         (BUILT_IN_CALLOC): Likewise.
 557         (BUILT_IN_MALLOC): Likewise.
 558         (BUILT_IN_REALLOC): Likewise.
 559
 560 2019-06-06  Jim Wilson  <jimw@sifive.com>
 561
 562         PR target/89955
 563         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 564         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 565         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 566
 567 2019-06-06  Martin Sebor  <msebor@redhat.com>
 568
 569         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 570         (handle_builtin_malloc): Remove trailing spaces.
 571         (handle_builtin_memset): Same.
 572         (handle_builtin_memcmp): Same.
 573         (compute_string_length): Same.
 574         (determine_min_objsize): Same.
 575         (handle_builtin_string_cmp): Same.
 576         (handle_char_store): Same.  Break up excessively long line.
 577
 578 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 579
 580         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 581         check.
 582
 583 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 584
 585         * tree-sra.c (struct access): New field grp_same_access_path.
 586         (dump_access): Dump it.
 587         (build_reconstructed_reference): New function.
 588         (build_ref_for_model): Use it if possible.
 589         (path_comparable_for_same_access): New function.
 590         (same_access_path_p): Likewise.
 591         (sort_and_splice_var_accesses): Set the new flag.
 592         (analyze_access_subtree): Likewise.
 593         (propagate_subaccesses_across_link): Propagate zero value of the new
 594         flag down the access tree.
 595
 596 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 597
 598         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 599         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 600         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 601         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 602         Add gfx906.
 603
 604 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 605
 606         PR tree-optimization/90332
 607         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 608         Handle VALS containing two vectors.
 609         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 610         to...
 611         (@aarch64_combinez<mode>): ... This.
 612         (*aarch64_combinez_be<mode>): Rename to...
 613         (@aarch64_combinez_be<mode>): ... This.
 614         (vec_init<mode><Vhalf>): New define_expand.
 615         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 616
 617 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 618
 619         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 620         library functions only when not optimizing for size.
 621         (ashlsi3): Likewise.
 622         (ashrhi3): Likewise.
 623         (ashrsi3): Likewise.
 624         (lshrhi3): Likewise.
 625         (lshrsi3): Likewise.
 626
 627 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 628
 629         PR rtl-optimization/88751
 630         * ira.c (ira): Use the number of the actually referenced registers
 631         when calculating the threshold.
 632
 633 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 634
 635         * configure: Regenerate.
 636
 637 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 638
 639         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 640         register if it is in memory, so the shift can be emulated with a rotate
 641         instruction.
 642         (ashrhi3): Likewise.
 643         (lshrhi3): Likewise.
 644
 645 2019-06-06  Martin Liska  <mliska@suse.cz>
 646
 647         PR tree-optimization/87954
 648         * match.pd: Simplify mult where both arguments are 0 or 1.
 649
 650 2019-06-06  Richard Biener  <rguenther@suse.de>
 651
 652         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 653         put equivalences on UNDEFINED ranges.
 654         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 655         Make sure to drop defs of stmts added during simplification
 656         to VARYING.
 657
 658 2019-06-06  Richard Biener  <rguenther@suse.de>
 659
 660         * tree-ssa-structalias.c: Include tree-cfg.h.
 661         (make_heapvar): Do not make heap vars artificial.
 662         (find_func_aliases_for_builtin_call): Handle stack allocation
 663         functions.
 664         (find_func_aliases): Delay processing of simple enough returns
 665         in non-IPA mode.
 666         (set_uids_in_ptset): Adjust.
 667         (find_what_var_points_to): Likewise.
 668         (solve_constraints): Do not dump points-to sets here.
 669         (compute_points_to_sets): Post-process return statements,
 670         amending the escaped solution.  Dump points-to sets afterwards.
 671         (ipa_pta_execute): Dump points-to sets.
 672
 673 2019-06-06  Martin Liska  <mliska@suse.cz>
 674
 675         PR web/87933
 676         * doc/install.texi: Fix HTML headers and
 677         titles for 'Installing GCC' pages.
 678
 679 2019-06-06  Martin Liska  <mliska@suse.cz>
 680
 681         * ipa-icf-gimple.h (dump_message_1): Remove.
 682         (dump_message): Likewise.
 683         (return_false_with_message_1): Print also file.
 684         (return_false_with_msg): Likewise.
 685         (return_with_result): Likewise.
 686         (return_with_debug): Likewise.
 687         * ipa-icf.c (sem_function::equals_private): Remove call
 688         to dump_message.
 689
 690 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 691
 692         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 693         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 694         memory operand for it.
 695         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 696
 697 2019-06-05  Martin Sebor  <msebor@redhat.com>
 698
 699         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 700         Adjust quoting and hyphenation.
 701         * convert.c (convert_to_real_1): Same.
 702         * gcc.c (driver_wrong_lang_callback): Same.
 703         (driver::handle_unrecognized_options): Same.
 704         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 705         * opts-common.c (cmdline_handle_error): Same.
 706         (read_cmdline_option): Same.
 707         * opts-global.c (complain_wrong_lang): Same.
 708         (print_ignored_options): Same.
 709         (handle_common_deferred_options): Same.
 710         * pretty-print.h: Same.
 711         * print-rtl.c (debug_bb_n_slim): Same.
 712         * sched-rgn.c (make_pass_sched_fusion): Same.
 713         * tree-cfg.c (verify_gimple_assign_unary): Same.
 714         (verify_gimple_label): Same.
 715         * tree-ssa-operands.c (verify_ssa_operands): Same.
 716         * varasm.c (do_assemble_alias): Same.
 717         (assemble_alias): Same.
 718
 719 2019-06-05  Richard Henderson  <rth@twiddle.net>
 720
 721         * config/alpha/alpha.c (direct_return): Move down after
 722         struct machine_function definition; use saved frame_size;
 723         return bool.
 724         (struct machine_function): Add sa_mask, sa_size, frame_size.
 725         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 726         (alpha_compute_frame_layout): ... new function.
 727         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 728         (alpha_initial_elimination_offset): Use saved sa_size.
 729         (alpha_vms_initial_elimination_offset): Likewise.
 730         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 731         (alpha_expand_prologue): Use saved frame data.  Merge integer
 732         and fp register save loops.
 733         (alpha_expand_epilogue): Likewise.
 734         (alpha_start_function): Use saved frame data.
 735         * config/alpha/alpha-protos.h (direct_return): Update.
 736         (alpha_sa_size): Remove.
 737
 738 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 739
 740         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 741         multiplication by a power-of-two value.
 742         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 743         and turn the modulo operation into a masking operation.
 744
 745 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 746
 747         PR debug/90733
 748         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 749         with VOIDmode inner operands.
 750
 751 2019-06-05  Richard Biener  <rguenther@suse.de>
 752
 753         PR middle-end/90726
 754         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 755         turn an expression graph into a tree.
 756
 757 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 758
 759         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 760         member.
 761         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 762         treat it like explicit monotonic schedule modifier.
 763         (expand_omp_for): Initialize has_lastprivate_conditional.
 764         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 765         schedule modifier.
 766
 767         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 768         references, lookup in in hash map MEM_REF operand instead of the
 769         MEM_REF itself.
 770         (lower_omp_1): When looking for lastprivate conditional assignments,
 771         handle MEM_REFs with REFERENCE_TYPE operands.
 772
 773         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 774         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 775         and references a VLA.  Handle references to non-VLAs if is_simd
 776         all privatization clauses like reductions.
 777         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 778         If omp_is_reference, use always omp simd arrays and set
 779         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 780         fails, emit reference initialization.
 781
 782 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 783
 784         PR target/89803
 785         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 786         _mm_mask_fpclass_sd_mask): New intrinsics.
 787         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 788         * config/i386/i386-builtin.def
 789         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 790         New builtins.
 791         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 792         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 793         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 794         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 795         case QI_FTYPE_V2SF_INT): Ditto.
 796         * config/i386/sse.md
 797         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 798         Extended to insnstructions with mask operands.
 799
 800 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 801
 802         * config/rs6000/constraints.md (define_register_constraint "wp"):
 803         Delete.
 804         (define_register_constraint "wq"): Delete.
 805         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 806         (rs6000_init_hard_regno_mode_ok): Adjust.
 807         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 808         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 809         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 810         (define_mode_attr VSa): Delete.
 811         (define_mode_attr VSisa): New.
 812         (rest of file): Adjust.
 813         * doc/md.texi (Machine Constraints): Adjust.
 814
 815 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 816
 817         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 818         (define_attr "enabled"): Handle those new isa values.
 819
 820 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 821
 822         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 823         (define_mode_attr VSr5): Delete.
 824         (define_mode_attr VStype_sqrt): Delete.
 825         (define_mode_iterator VSX_SPDP): Delete.
 826         (define_mode_attr VS_spdp_res): Delete.
 827         (define_mode_attr VS_spdp_insn): Delete.
 828         (define_mode_attr VS_spdp_type): Delete.
 829         (*vsx_sqrt<mode>2): Adjust.
 830         (vsx_<VS_spdp_insn>): Delete, split to...
 831         (vsx_xscvdpsp): ... this.  New.  And...
 832         (vsx_xvcvspdp): ... this.  New.  And...
 833         (vsx_xvcvdpsp): ... this.  New.
 834
 835 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 836
 837         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 838         and V2DF.
 839         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 840         (rest of file): Adjust.
 841
 842 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 843
 844         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 845         (vsx_extract_<mode>_var): Ditto.
 846
 847 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 848
 849         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 850         with just "wa".
 851
 852 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 853
 854         * config/rs6000/constraints.md (define_register_constraint "ww"):
 855         Delete.
 856         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 857         (rs6000_init_hard_regno_mode_ok): Adjust.
 858         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 859         RS6000_CONSTRAINT_ww.
 860         * config/rs6000/rs6000.md: Adjust.
 861         * config/rs6000/vsx.md: Adjust.
 862         * doc/md.texi (Machine Constraints): Adjust.
 863
 864 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 865
 866         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 867         (define_mode_attr sd): New.
 868         (define_mode_attr s): New.
 869         (define_mode_attr Ftrad): Delete.
 870         (define_mode_attr Fvsx): Delete.
 871         (define_mode_attr Fs): Delete.
 872         (rest of file): Use the new mode attributes.
 873         * config.rs6000/vsx.md: Use the new mode attributes.
 874
 875 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 876
 877         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 878         with just "wa".
 879
 880 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 881
 882         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 883         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 884         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 885
 886 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 887
 888         PR target/78263
 889         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 890         C++ with strict ANSI requirements.
 891
 892 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 893
 894         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 895         computations when step is 1.
 896
 897 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 898
 899         * config/rs6000/constraints.md (define_register_constraint "wf"):
 900         Delete.
 901         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 902         (rs6000_init_hard_regno_mode_ok): Adjust.
 903         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 904         RS6000_CONSTRAINT_wf.
 905         * config/rs6000/rs6000.md: Adjust.
 906         * config/rs6000/vsx.md: Adjust.
 907         * doc/md.texi (Machine Constraints): Adjust.
 908
 909 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 910
 911         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 912         Fix ILP32 value.
 913
 914 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 915
 916         * config/rs6000/constraints.md (define_register_constraint "wd"):
 917         Delete.
 918         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 919         (rs6000_init_hard_regno_mode_ok): Adjust.
 920         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 921         RS6000_CONSTRAINT_wd.
 922         * config/rs6000/rs6000.md: Adjust.
 923         * config/rs6000/vsx.md: Adjust.
 924         * doc/md.texi (Machine Constraints): Adjust.
 925
 926 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 927
 928         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 929         (rest of file): Adjust.
 930
 931 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 932
 933         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 934         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 935         (vsx_splat_<mode>_reg): Adjust.
 936
 937 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 938
 939         * config/rs6000/constraints.md (define_register_constraint "ws"):
 940         Delete.
 941         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 942         (rs6000_init_hard_regno_mode_ok): Adjust.
 943         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 944         RS6000_CONSTRAINT_ws.
 945         * config/rs6000/rs6000.md: Adjust.
 946         * config/rs6000/vsx.md: Adjust.
 947         * doc/md.texi (Machine Constraints): Adjust.
 948
 949 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 950
 951         * config/rs6000/constraints.md (define_register_constraint "wv"):
 952         Delete.
 953         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 954         (rs6000_init_hard_regno_mode_ok): Adjust.
 955         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 956         RS6000_CONSTRAINT_wv.
 957         * config/rs6000/rs6000.md: Adjust.
 958         * config/rs6000/vsx.md: Adjust.
 959         * doc/md.texi (Machine Constraints): Adjust.
 960
 961 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 962
 963         * config/rs6000/constraints.md (define_register_constraint "wi"):
 964         Delete.
 965         (define_register_constraint "wt"): Delete.
 966         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 967         (rs6000_init_hard_regno_mode_ok): Adjust.
 968         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 969         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 970         * config/rs6000/rs6000.md: Adjust.
 971         * config/rs6000/vsx.md: Adjust.
 972         * doc/md.texi (Machine Constraints): Adjust.
 973
 974 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 975
 976         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 977         const.
 978         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 979         default_elf_asm_output_external.
 980
 981 2019-06-04  Martin Liska  <mliska@suse.cz>
 982
 983         * ipa-icf.c (INCLUDE_LIST): Remove.
 984         (sem_item_optimizer::execute): Remove call to init_wpa.
 985         * ipa-icf.h (init_wpa): Remove.
 986
 987 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 988
 989         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 990         conditional on combined for simd.
 991         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 992         member.
 993         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 994         constructs, don't remove lastprivate_conditional_map, but instead set
 995         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 996         to parent construct temporaries.
 997         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 998         like !ctx->lastprivate_conditional_map.
 999         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1000         use up->outer context instead of up.
1001         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1002         gimple_omp_for_combined_p.
1003         (expand_omp_for_static_nochunk): Likewise.
1004         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1005         probably moved over into expand_omp_for_generic rather than being copied
1006         there.
1007
1008 2019-06-04  Martin Liska  <mliska@suse.cz>
1009
1010         * value-prof.c (dump_histogram_value): Fix typo.
1011         (gimple_mod_subtract_transform): Likewise.
1012
1013 2019-06-04  Richard Biener  <rguenther@suse.de>
1014
1015         PR middle-end/90726
1016         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1017         (tree_contains_chrecs): Likewise.
1018         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1019         exponential behaivor from ...
1020         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1021         ... here.
1022         (expression_expensive_p): Avoid exponential behavior and compute
1023         expanded size, rejecting any expansion.
1024         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1025         (idx_contains_abnormal_ssa_name_p): Likewise.
1026         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1027         (contains_abnormal_ssa_name_p): Simplify and use
1028         walk_tree_without_duplicates.
1029
1030 2019-06-04  Richard Biener  <rguenther@suse.de>
1031
1032         PR tree-optimization/90738
1033         Revert
1034         2019-06-03  Richard Biener  <rguenther@suse.de>
1035
1036         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1037         full reference tree and record in ref->ref.
1038         (vn_reference_lookup_3): Pass in original ref to
1039         ao_ref_init_from_vn_reference.
1040         (vn_reference_lookup): Likewise.
1041         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1042         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1043         Handle non-decl bases in the original reference.
1044
1045 2019-06-04  Martin Liska  <mliska@suse.cz>
1046
1047         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1048         number of references.
1049         (sem_item_optimizer::do_congruence_step):
1050         (sem_item_optimizer::worklist_push): Dump how references
1051         a class has.
1052         (sem_item_optimizer::worklist_pop): Use heap.
1053         (sem_item_optimizer::process_cong_reduction): Likewise.
1054         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1055
1056 2019-06-04  Martin Liska  <mliska@suse.cz>
1057
1058         * ipa-icf.h (struct sem_usage_pair_hash): New.
1059         (sem_usage_pair_hash::hash): Likewise.
1060         (sem_usage_pair_hash::equal): Likewise.
1061         (struct sem_usage_hash): Likewise.
1062         * ipa-icf.c (sem_item::sem_item): Initialize
1063         referenced_by_count.
1064         (sem_item::add_reference): Register a reference
1065         in ref_map and not in target->usages.
1066         (sem_item::setup): Remove initialization of
1067         dead vectors.
1068         (sem_item::~sem_item): Remove usage of dead vectors.
1069         (sem_item::dump): Remove dump of references.
1070         (sem_item_optimizer::sem_item_optimizer): Initialize
1071         m_references.
1072         (sem_item_optimizer::read_section): Remove useless
1073         dump.
1074         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1075         (sem_item_optimizer::build_graph): Pass m_references
1076         to ::add_reference.
1077         (sem_item_optimizer::verify_classes): Remove usage of dead
1078         vectors.
1079         (sem_item_optimizer::traverse_congruence_split): Return true
1080         when a class is split.
1081         (sem_item_optimizer::do_congruence_step_for_index): Use
1082         hash_map for look up of (sem_item *, index). That brings
1083         significant speed up.
1084         (sem_item_optimizer::do_congruence_step): Return true
1085         when a split is done.
1086         (congruence_class::is_class_used): Use referenced_by_count.
1087
1088 2019-06-04  Alan Modra  <amodra@gmail.com>
1089
1090         PR target/90689
1091         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1092         error.
1093
1094 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1095
1096         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1097         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1098         (rs6000_secondary_reload_simple_move): Adjust.
1099         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1100         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1101         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1102         comment.
1103         (power6x): Adjust.
1104         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1105         (floatunssi<mode>2_lfiwzx): Adjust.
1106         (fix_trunc<mode>si2_stfiwx): Adjust.
1107         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1108         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1109         (mfpgpr): Mark as deprecated.
1110         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1111         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1112         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1113
1114 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1115
1116         * config/rs6000/constraints.md (define_register_constraint "wg"):
1117         Delete.
1118         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1119         RS6000_CONSTRAINT_wg.
1120         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1121         (rs6000_init_hard_regno_mode_ok): Adjust.
1122         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1123         Delete "wg" alternatives.
1124         * doc/md.texi (Machine Constraints): Adjust.
1125
1126 2019-06-03  Alan Modra  <amodra@gmail.com>
1127
1128         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1129         (get_uncond_jump_length): Assert length less than INT_MAX and
1130         non-negative.
1131
1132 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1133
1134         PR middle-end/64242
1135         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1136         block.
1137         (expand_builtin_nonlocal_goto): Likewise.
1138
1139 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1140
1141         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1142         (aarch64_asm_output_external): Declare.
1143         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1144         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1145         (aarch64_asm_output_alias): New.
1146         (aarch64_asm_output_external): New.
1147         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1148         (ASM_OUTPUT_EXTERNAL): Define.
1149
1150 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1151         * tree-vrp.h (value_range_base::nonzero_p): New.
1152         (value_range_base::set_nonnull): Rename to...
1153         (value_range_base::set_nonzero): ...this.
1154         (value_range_base::set_null): Rename to...
1155         (value_range_base::set_zero): ...this.
1156         (value_range::set_nonnull): Remove.
1157         (value_range::set_null): Remove.
1158         * tree-vrp.c (range_is_null): Remove.
1159         (range_is_nonnull): Remove.
1160         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1161         instead of range_is_*null.
1162         (extract_range_from_unary_expr): Same.
1163         (value_range_base::set_nonnull): Rename to...
1164         (value_range_base::set_nonzero): ...this.
1165         (value_range::set_nonnull): Remove.
1166         (value_range_base::set_null): Rename to...
1167         (value_range_base::set_zero): ...this.
1168         (value_range::set_null): Remove.
1169         (extract_range_from_binary_expr): Rename set_*null uses to
1170         set_*zero.
1171         (extract_range_from_unary_expr): Same.
1172         (union_helper): Same.
1173         * vr-values.c (get_value_range): Use set_*zero instead of
1174         set_*null.
1175         (vr_values::extract_range_from_binary_expr): Same.
1176         (vr_values::extract_range_basic): Same.
1177
1178 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1179
1180         PR driver/90684
1181         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1182
1183 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1184
1185         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1186         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1187         (aarch64_<su>abd<mode>_3): ... This.
1188         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1189
1190 2019-06-03  Richard Biener  <rguenther@suse.de>
1191
1192         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1193         full reference tree and record in ref->ref.
1194         (vn_reference_lookup_3): Pass in original ref to
1195         ao_ref_init_from_vn_reference.
1196         (vn_reference_lookup): Likewise.
1197         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1198         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1199         Handle non-decl bases in the original reference.
1200
1201 2019-06-03  Martin Liska  <mliska@suse.cz>
1202
1203         * doc/generic.texi: Remove Java Trees.
1204
1205 2019-06-03  Martin Liska  <mliska@suse.cz>
1206
1207         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1208         returns 0 when operands are equal.
1209
1210 2019-06-03  Richard Biener  <rguenther@suse.de>
1211
1212         PR tree-optimization/90716
1213         * tree-loop-distribution.c (destroy_loop): Process blocks in
1214         correct order.
1215
1216 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1217
1218         PR target/88837
1219         * vector-builder.h (vector_builder::count_dups): New method.
1220         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1221         Declare prototype.
1222         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1223         (vec_init<mode><Vel>): New pattern.
1224         * config/aarch64/aarch64.c (emit_insr): New function.
1225         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1226         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1227         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1228         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1229
1230 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1231
1232         PR tree-optimization/90681
1233         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1234         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1235         special case for SLP, but fail on non-groupped loads.
1236
1237 2019-06-03  Martin Liska  <mliska@suse.cz>
1238
1239         * cfg.c (debug): Use TDF_DETAILS for debug and
1240         print edge info only once.
1241
1242 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1243
1244         PR fortran/90539
1245         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1246
1247 2019-06-01  Martin Sebor  <msebor@redhat.com>
1248
1249         PR middle-end/90694
1250         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1251
1252 2019-05-31  Jan Hubicka  <jh@suse.cz>
1253
1254         * alias.c: Include ipa-utils.h.
1255         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1256         * ipa-devirt.c (prevailing_odr_type): New.
1257         * ipa-utils.h (previaling_odr_type): Declare.
1258
1259 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1260             Hongtao Liu  <hongtao.liu@intel.com>
1261
1262         PR target/89355
1263         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1264         NOTE_INSN_DELETED_LABEL check.
1265
1266 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1267             Robert Suchanek  <robert.suchanek@mips.com>
1268
1269         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1270         and 3rd operands of the fmadd/fmsub/maddv builtin.
1271
1272 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1273
1274         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1275         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1276         on OMP_SIMD if not nested inside of worksharing loop that also has
1277         lastprivate conditional clause for the same decl.
1278         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1279         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1280         on simd.
1281         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1282         on simd construct.
1283         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1284         on simd construct.
1285         (lower_lastprivate_clauses): Likewise.
1286         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1287         calling lower_rec_input_clauses.
1288         (lower_omp_for): Likewise.
1289         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1290         clause on simd construct.
1291         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1292         OMP_CLAUSE__CONDTEMP_ clause is present.
1293
1294         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1295         ivar and lvar.
1296
1297 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1298
1299         PR c/43673
1300         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1301         TEX_D32, TEX_D64 or TEX_D128.
1302
1303 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1304
1305         * match.pd (~(vec?cst1:cst2)): New transformation.
1306
1307 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1308
1309         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1310         ((size_t)(A /[ex] B) CMP C): New transformation.
1311
1312 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1313
1314         * doc/md.texi: Document define_insn_and_rewrite.
1315         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1316         * gensupport.c (queue_elem): Update comment.
1317         (replace_operands_with_dups): New function.
1318         (gen_rewrite_sequence): Likewise.
1319         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1320         * read-rtl.c (apply_subst_iterator): Likewise.
1321         (add_condition_to_rtx, named_rtx_p): Likewise.
1322         (rtx_reader::read_rtx_operand): Likewise.
1323         * config/aarch64/aarch64-sve.md
1324         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1325         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1326         define_insn_and_rewrite.
1327         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1328         Remove separate define_split.
1329
1330 2019-05-31  Jan Hubicka  <jh@suse.cz>
1331
1332         * tree-ssa-alias.c (type_has_components_p): New function.
1333         (aliasing_component_refs_p): Use it.
1334
1335 2019-05-31  Martin Liska  <mliska@suse.cz>
1336
1337         * gdbhooks.py: Add const_tree to TreePrinter.
1338
1339 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1340
1341         PR debug/86964
1342         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1343         * doc/invoke.texi (Debugging Options): Document new default of
1344         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1345
1346 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1347
1348         PR tree-optimization/90671
1349         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1350         template_block used to be empty on the first call, don't use
1351         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1352         seq with bb_seq and set it with set_bb_seq.
1353
1354 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1355
1356         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1357
1358 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1359             Michael Meissner  <meissner@linux.ibm.com>
1360
1361         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1362         (prefixed_mem_operand): Likewise.
1363         (non_prefixed_mem_operand): Likewise.
1364         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1365         prototype.
1366         * config/rs6000/rs6000.c (print_operand_address): Handle
1367         PC-relative addresses.
1368         (mode_supports_prefixed_address_p): New function.
1369         (rs6000_prefixed_address): New function.
1370         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1371         (SYMBOL_REF_PCREL_P): Likewise.
1372
1373 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1374
1375         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1376         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1377         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1378         is nested inside of parallel region, add _condtemp_ clause to both.
1379         * tree-nested.c (convert_nonlocal_omp_clauses,
1380         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1381         assertion failure.
1382         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1383         member.
1384         * omp-general.c (omp_extract_for_data): Compute it.
1385         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1386         (lower_rec_input_clauses): Likewise.
1387         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1388         clause is already present, just add one further one after it.
1389         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1390         (lower_send_shared_vars): Clear _condtemp_ vars.
1391         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1392         or section or taskgroup.
1393         * omp-expand.c (determine_parallel_type): Disallow combining only if
1394         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1395         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1396         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1397         expand_omp_for_static_chunk, expand_omp_for): Use
1398         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1399         determine if a special set of API routines are needed and if condtemp
1400         needs to be initialized, while always initialize cond_var if
1401         fd->lastprivate_conditional is non-zero.
1402
1403 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1404             Michael Meissner  <meissner@linux.ibm.com>
1405
1406         * config/rs6000/constraints.md (eI): New constraint.
1407         * config/rs6000/predicates.md (cint34_operand): New predicate.
1408         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1409         (SIGNED_34BIT_OFFSET_P): Likewise.
1410         * doc/md.texi (eI): Document constraint.
1411
1412 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1413
1414         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1415
1416 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1417             Michael Meissner  <meissner@linux.ibm.com>
1418
1419         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1420         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1421         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1422         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1423         (OTHER_FUTURE_MASKS): Likewise.
1424         (POWERPC_MASKS): Likewise.
1425         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1426         specified without -mprefixed-addr or -mcpu=future.  Error if
1427         -mprefixed-addr is specified without -mcpu=future.
1428         (rs6000_opt_masks): Add entry for prefixed-addr.
1429         * rs6000.opt (mprefixed-addr): New option.
1430
1431 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1432
1433         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1434         cfun->is_thunk check.
1435
1436 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1437
1438         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1439         to length.
1440
1441 2019-05-30  Martin Liska  <mliska@suse.cz>
1442
1443         * gdbinit.in: Fix 'ptc' command.  Add trt
1444         that prints TREE_TYPE($).
1445
1446 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1447             Alan Modra  <amodra@gmail.com>
1448
1449         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1450         calls here...
1451         (rs6000_indirect_call_template_1): ...and here.
1452         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1453         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1454         rs6000_pltseq_enum.
1455         (rs6000_decl_ok_for_sibcall): New function.
1456         (rs6000_function_ok_for_sibcall): Refactor.
1457         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1458         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1459         when pcrel.  Reorganize.
1460         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1461         * rs6000.h (rs6000_pltseq_enum): New enum.
1462         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1463         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1464         (*pltseq_plt16_ha): Likewise.
1465         (*pltseq_plt16_lo): Likewise.
1466         (*pltseq_mtctr): Likewise.
1467         (*pltseq_plt_pcrel): New insn.
1468         (*call_local_aix): Handle @notoc calls.
1469         (*call_value_local_aix): Likewise.
1470         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1471         (*call_value_nonlocal_aix): Likewise.
1472         (*call_indirect_pcrel): New insn.
1473         (*call_value_indirect_pcrel): Likewise.
1474
1475
1476 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1477
1478         * config/i386/sse.md (*save_multiple<mode>): Rename from
1479         save_multiple<mode>.
1480         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1481         (*restore_multiple_and_return<mode>): Rename from
1482         restore_multiple_and_return<mode>.
1483         (*restore_multiple_leave_return<mode>): Rename from
1484         restore_multiple_leave_return<mode>.
1485
1486 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1487
1488         * config.gcc (rx-*-linux*): New target.
1489         * config/rx/elf.opt: New file.
1490         * config/rx/linux.h: Likewise.
1491         * config/rx/t-linux: Likewise.
1492         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1493         make it zero.
1494         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1495         (ASM_APP_OFF): Likewise.
1496         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1497         moved elsewhere.
1498
1499 2019-05-29  Jan Hubicka  <jh@suse.cz>
1500
1501         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1502         variants are pointer equivalent.
1503
1504 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1505
1506         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1507         * config/aarch64/aarch64-sve2.md: New file.
1508         (<u>avg<mode>3_floor): New pattern.
1509         (<u>avg<mode>3_ceil): Likewise.
1510         (*<sur>h<addsub><mode>): Likewise.
1511         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1512         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1513
1514 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1515
1516         PR bootstrap/90543
1517         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1518         for var_opt_string printing.  In cl_optimization_print_diff, print
1519         (null) instead of invoking undefined behavior if one of the
1520         var_opt_string pointers is NULL and use && instead of first || in the
1521         guarding condition.  For var_target_other options, handle const char *
1522         target variables similarly to const char * optimize node variables.
1523
1524 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1525
1526         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1527         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1528         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1529         Add autib1716 and pacib1716 initialisation.
1530         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1531         for autib1716 and pacib1716.
1532         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1533         aarch64_post_cfi_startproc): Define.
1534         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1535         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1536         aarch64_handle_pac_ret_protection): Set default sign key to A.
1537         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1538         aarch64_expand_prologue): Add check for b-key.
1539         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1540         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1541         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1542         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1543         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1544         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1545         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1546         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1547         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1548         pauth_hint_num_a with pauth_hint_num.
1549         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1550         pauth_hint_num_a with pauth_hint_num.
1551         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1552         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1553         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1554         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1555         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1556         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1557         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1558         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1559         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1560         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1561         UNSPEC_AUTIA1716 respectively.
1562         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1563         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1564         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1565         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1566         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1567
1568 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1569
1570         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1571         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1572         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1573         explicit clause on combined parallel into implicit shared clause.
1574         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1575         and firstprivate if the decl has one too from combined parallel to
1576         the worksharing construct.
1577
1578 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1579             Michael Meissner  <meissner@linux.ibm.com>
1580
1581         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1582
1583 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1584
1585         * rtl.h (LABEL_REF_P): New #define.
1586
1587 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1588
1589         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1590
1591 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1592
1593         * internal-fn.c: Marked mask_load_direct as vectorizable.
1594         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1595         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1596         combined even if masks different with allow_slp_p param.
1597         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1598         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1599         dissolve SLP-only vectorizable groups when SLP has been discarded.
1600         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1601         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1602         masks.
1603         (vect_build_slp_tree_1): Fixed comment typo.
1604         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1605         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1606         loads for SLP only.
1607         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1608         vectorizable.
1609         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1610
1611 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1612
1613         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1614         Remove obsolete use_thunk reference.
1615         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1616         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1617         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1618         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1619         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1620         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1621         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1622         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1623         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1624
1625 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1626
1627         * tree.h (IDENTIFIER_ANON_P): New.
1628         (anon_aggrname_format, anon_aggname_p): Don't declare.
1629         (make_anon_name): Declare.
1630         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1631         (hash_tree): Likewise.
1632         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1633         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1634         (anon_cnt, make_anon_name): New.
1635
1636 2019-05-28  Martin Liska  <mliska@suse.cz>
1637
1638         PR other/90315
1639         * opts-global.c (decode_options): Print help for all
1640         help_option_arguments.
1641         * opts.c (print_help): Add new argument.
1642         (common_handle_option): Remember all values into
1643         help_option_arguments.
1644         * opts.h (print_help): Add new argument.
1645
1646 2019-05-28  Martin Liska  <mliska@suse.cz>
1647
1648         PR ipa/90555
1649         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1650         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1651         (func_checker::compare_bb): Call compare_loops.
1652
1653 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1654
1655         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1656         on sections construct.
1657         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1658         construct.
1659         (lower_omp_sections): Handle lastprivate conditional.
1660         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1661         lastprivate_conditional_map.
1662         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1663
1664         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1665         critical, taskgroup and section regions when looking for a region
1666         with non-NULL lastprivate_conditional_map.
1667
1668 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1669
1670         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1671         (*ix86_gen_sub3): Ditto.
1672         (*ix86_gen_sub3_carry): Ditto.
1673         (*ix86_gen_one_cmpl2): Ditto.
1674         (*ix86_gen_andsp): Ditto.
1675         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1676         (gen_and2_insn): New static function.
1677         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1678         Use gen_add3_insn instead of ix86_gen_add3.
1679         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1680         instead of ix86_gen_add3.
1681         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1682         Use gen_sub3_insn instead of ix86_gen_sub3.
1683         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1684         instead of ix86_gen_add3.
1685         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1686         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1687         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1688         * config/i386/i386-options.c (ix86_option_override_internal):
1689         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1690         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1691
1692 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1693
1694         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1695         and DW_OP_GNU_const_index opcodes.
1696
1697 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1698
1699         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1700
1701 2019-05-27  Richard Biener  <rguenther@suse.de>
1702
1703         PR tree-optimization/90637
1704         * tree-ssa-sink.c (statement_sink_location): Honor the
1705         computed sink location for single-uses.
1706
1707 2019-05-27  Richard Biener  <rguenther@suse.de>
1708
1709         PR middle-end/90610
1710         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1711         a bit-insert.
1712
1713 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1714
1715         * config/i386/i386.md (@sub<mode>3_carry): Rename
1716         from sub<mode>3_carry.
1717         (@leave_<mode>): New expander.
1718         (*leave): Rename from leave.
1719         (*leave_rex64): Rename from leave_rex64.
1720         (@monitorx_<mode>): Rename from monitorx_<mode>.
1721         (@clzero_<mode>): Rename from clzero_<mode>.
1722         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1723         from sse3_monitor_<mode>.
1724         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1725         (*ix86_gen_leave): Ditto.
1726         (*ix86_gen_monitor): Ditto.
1727         (*ix86_gen_monitorx): Ditto.
1728         (*ix86_gen_clzero): Ditto.
1729         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1730         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1731         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1732         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1733         Use gen_sse3_monitor instead of ix86_gen_monitor.
1734         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1735         instead of ix86_gen_monitorx.
1736         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1737         instead of ix86_gen_clzero.
1738         * config/i386/i386-options.c (ix86_option_override_internal):
1739         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1740         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1741
1742 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1743
1744         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1745         Rename from tls_global_dynamic_64_<mode>.
1746         (@tls_local_dynamic_base_64_<mode>): Rename from
1747         tls_local_dynamic_base_64_<mode>.
1748         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1749         Remove indirect function.
1750         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1751         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1752         instead of ix86_gen_tls_global_dynamic_64.
1753         Use gen_tls_local_dynamic_base_64 instead of
1754         ix86_gen_tls_local_dynamic_base_64.
1755         * config/i386/i386-options.c (ix86_option_override_internal):
1756         Do not initialize ix86_gen_tls_global_dynamic_64 and
1757         ix86_gen_tls_local_dynamic_base_64.
1758
1759 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1760
1761         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1762         Rename from pro_epilogue_adjust_stack_<mode>_add.
1763         (@pro_epilogue_adjust_stack_sub_<mode>)
1764         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1765         (@allocate_stack_worker_probe_<mode>):
1766         Rename from allocate_stack_worker_probe_<mode>.
1767         (allocate_stack): Use gen_allocate_stack_worker_probe.
1768         (probe_stack): Use gen_probe_stack_1.
1769         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1770         (@adjust_stack_and_probe_<mode>): Rename from
1771         adjust_stack_and_probe<mode>.
1772         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1773         (stack_protect_set): Use gen_stack_protect_set_1.
1774         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1775         (stack_protect_test): Use gen_stack_protect_test_1.
1776         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1777         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1778         Remove indirect function.
1779         (*ix86_gen_adjust_stack_and_probe): Ditto.
1780         (*ix86_gen_probe_stack_range): Ditto.
1781         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1782         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1783         (ix86_adjust_stack_and_probe_stack_clash): Use
1784         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1785         (ix86_adjust_stack_and_probe): Ditto.
1786         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1787         of ix86_gen_probe_stack_range.
1788         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1789         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1790         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1791         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1792         CODE_FOR_stack_protect_test_{si,di}.
1793         * config/i386/i386-options.c (ix86_option_override_internal):
1794         Do not initialize ix86_gen_allocate_stack_worker,
1795         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1796
1797 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1798
1799         * doc/invoke.texi (Link Options): Many editorial changes around
1800         -flinker-output.
1801
1802 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1803
1804         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1805         pre-Solaris 11 referene and most Studio compiler details.
1806
1807 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1808
1809         PR target/90530
1810         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1811         DImode to SImode in floating-point registers on 64-bit target.
1812         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1813         register_operand in xmpyu patterns.
1814
1815 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1816
1817         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1818         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1819         OMP_CLAUSE__REDUCTEMP_.
1820         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1821         OMP_CLAUSE__CONDTEMP_.
1822         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1823         * tree-pretty-print.c (dump_omp_clause): Likewise.
1824         * tree-nested.c (convert_nonlocal_omp_clauses,
1825         convert_local_omp_clauses): Likewise.
1826         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1827         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1828         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1829         on OMP_FOR.
1830         (gimplify_omp_for): Warn and disable conditional modifier from
1831         lastprivate on loop iterators.
1832         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1833         member.
1834         * omp-general.c (omp_extract_for_data): Initialize it.
1835         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1836         member.
1837         (delete_omp_context): Delete it.
1838         (lower_lastprivate_conditional_clauses): New function.
1839         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1840         handle lastprivate conditional clauses.
1841         (lower_reduction_clauses): Add CLIST argument, emit it into
1842         the critical section if any.
1843         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1844         lower_reduction_clauses callers.
1845         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1846         to lower_lastprivate_clauses.
1847         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1848         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1849         clist into a critical section if not emitted there already by
1850         lower_reduction_clauses.
1851         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1852         callers.
1853         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1854         conditional variables.
1855         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1856         clause is present.
1857         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1858         expand_omp_for_static_chunk): Handle lastprivate conditional.
1859         (expand_omp_for): Handle fd.lastprivate_conditional like
1860         fd.have_reductemp.
1861
1862 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1863
1864         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1865         kernel does not exit cleanly.
1866         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1867
1868 2019-05-24  Jason Merrill  <jason@redhat.com>
1869
1870         Revert:
1871         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1872
1873 2019-05-24  Richard Biener  <rguenther@suse.de>
1874
1875         PR testsuite/90607
1876         * tree-loop-distribution.c (struct partition): Add location
1877         member.
1878         (partition_alloc): Initialize all fields.
1879         (generate_memset_builtin): Use the location recorded in the
1880         partition for the generated call.
1881         (generate_memcpy_builtin): Likewise.
1882         (classify_partition): Record the location of a single store
1883         as location for the partition.
1884
1885 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1886
1887         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1888         for lo-part.
1889
1890 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1891
1892         PR target/90588
1893         * common/config/aarch64/aarch64-common.c
1894         (aarch64_rewrite_selected_cpu): Change local temporary variable
1895         type from unsigned long to uint64_t.
1896         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1897         aarch64_get_extension_string_for_isa_flags): Change declaration to
1898         match new definition by replacing unsigned long with uint64_t.
1899
1900 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1901
1902         PR target/90568
1903         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1904         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1905         Handle stack_protect_test_<mode> codegen similarly to corresponding
1906         sub instruction.
1907
1908 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1909
1910        * config/i386/darwin.h: Reject -mfentry*.
1911        * doc/sourcebuild.texi: Document mfentry target support.
1912
1913 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1914
1915         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1916         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1917         false for PC-relative functions.
1918         (rs6000_output_function_prologue): Change called function name to
1919         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1920         name,1" for PC-relative functions.
1921         (rs6000_elf_declare_function_name): Change called function name to
1922         rs6000_global_entry_point_prologue_needed_p.
1923
1924 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1925
1926         PR target/90552
1927         * config/i386/i386.c (gen_rtx_cost):
1928         Use ix86_tune_cost instead of ix86_cost.
1929
1930 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1931             Michael Meissner  <meissner@linux.ibm.com>
1932             Segher Boessenkool  <segher@kernel.crashing.org>
1933
1934         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1935         OPTION_MASK_PCREL.
1936         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1937         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1938         (rs6000_fndecl_pcrel_p): Likewise.
1939         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1940         error if -mpcrel is requested without -mcpu=future.
1941         (rs6000_opt_masks): Add entry for pcrel.
1942         (rs6000_fndecl_pcrel_p): New function.
1943         (rs6000_pcrel_p): Likewise.
1944         * config/rs6000/rs6000.opt (mpcrel): New option.
1945         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1946
1947 2019-05-23  Jan Hubicka  <jh@suse.cz>
1948             Martin Liska  <mliska@suse.cz>
1949
1950         PR tree-optimization/90576
1951         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1952         poly_int_tree_p.
1953         (aliasing_component_refs_p): Fix three way size compare conditional;
1954         give up earlier in case we can not decide on equivalence.
1955
1956 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1957             Michael Meissner  <meissner@linux.ibm.com>
1958             Segher Boessenkool  <segher@kernel.crashing.org>
1959
1960         * config.gcc: Add future cpu.
1961         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1962         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1963         #define.
1964         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1965         (RS6000_CPU): New instantiation for future cpu.
1966         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1967         PROCESSOR_FUTURE.
1968         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1969         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1970         * config/rs6000/rs6000-tables.opt: Regenerate.
1971         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1972         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1973         (rs6000_machine_from_flags): Handle future cpu.
1974         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1975         PROCESSOR_POWER9 for now.
1976         (rs6000_adjust_cost): Likewise.
1977         (rs6000_issue_rate): Likewise.
1978         (rs6000_register_move_cost): Likewise.
1979         (rs6000_opt_masks): Add entry for future.
1980         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1981         (MASK_FUTURE): New #define.
1982         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1983         * config/rs6000/rs6000.opt (mfuture): New target option.
1984         * doc/invoke.texi (mcpu): Add future cpu.
1985
1986 2019-05-23  Martin Liska  <mliska@suse.cz>
1987
1988         PR c++/90587
1989         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1990         operation points to a temporary (pointed via tree_to_wide_ref)
1991         that is out of scope after the &.
1992
1993 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1994
1995         PR c++/90592
1996         * doc/extend.texi (Function Names): Add missing word.
1997
1998 2019-05-23  Richard Biener  <rguenther@suse.de>
1999
2000         PR tree-optimization/88440
2001         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2002         at -O[2s]+.
2003         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2004         generated call.
2005         (generate_memcpy_builtin): Likewise.
2006         (distribute_loop): Pass in whether to only distribute patterns.
2007         (prepare_perfect_loop_nest): Also allow size optimization.
2008         (pass_loop_distribution::execute): When optimizing a loop
2009         nest for size allow pattern replacement.
2010
2011 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2012
2013         PR target/90568
2014         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2015         of xor.
2016
2017 2019-05-23  Martin Liska  <mliska@suse.cz>
2018
2019         PR sanitizer/90570
2020         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2021         expression similarly to gimplify_decl_expr.
2022
2023 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2024
2025         * cse.c (cse_dump_path): s/dump_file/f.
2026
2027 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2028
2029         PR c++/90462
2030         * diagnostic-format-json.cc: Include "selftest.h".
2031         (json_from_expanded_location): Only add "file" key for non-NULL
2032         file strings.
2033         (json_from_location_range): Don't add "start" and "finish"
2034         children if they are UNKNOWN_LOCATION.
2035         (selftest::test_unknown_location): New selftest.
2036         (selftest::test_bad_endpoints): New selftest.
2037         (selftest::diagnostic_format_json_cc_tests): New function.
2038         * json.cc (json::object::get): New function.
2039         (selftest::test_object_get): New selftest.
2040         (selftest::json_cc_tests): Call it.
2041         * json.h (json::object::get): New decl.
2042         * selftest-run-tests.c (selftest::run_tests): Call
2043         selftest::diagnostic_format_json_cc_tests.
2044         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2045         decl.
2046
2047 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2048             Andrew Stubbs  <amd@codesourcery.com>
2049
2050         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2051         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2052         (kernel): Rename to...
2053         (main_kernel): ... this.
2054         (load_image): Load _init_array and _fini_array kernels.
2055         (run): Add argument for kernel to run.
2056         (main): Run init_array_kernel before main_kernel, and
2057         fini_array_kernel after.
2058         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2059         amdgpu_hsa_kernel attribute on functions.
2060         (gcn_disable_constructors): Delete.
2061         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2062         * config/gcn/crt0.c (size_t): Define.
2063         (_init_array, _fini_array): New.
2064         (__preinit_array_start, __preinit_array_end,
2065         __init_array_start, __init_array_end,
2066         __fini_array_start, __fini_array_end): Declare weak references.
2067
2068 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2069
2070         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2071
2072 2019-05-22  Jason Merrill  <jason@redhat.com>
2073
2074         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2075
2076 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2077
2078         PR target/88483
2079         * config/i386/i386-options.c (ix86_init_machine_status): Set
2080         stack_frame_required to true.
2081         * config/i386/i386.c (ix86_get_frame_size): New function.
2082         (ix86_frame_pointer_required): Replace get_frame_size with
2083         ix86_get_frame_size.
2084         (ix86_compute_frame_layout): Likewise.
2085         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2086         stack_frame_required.
2087         (ix86_finalize_stack_frame_flags): Always call
2088         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2089         ix86_get_frame_size.
2090         * config/i386/i386.h (machine_function): Add stack_frame_required.
2091
2092 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2093
2094         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2095
2096 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2097
2098         * common/config/aarch64/aarch64-common.c
2099         (struct aarch64_option_extension, struct processor_name_to_arch,
2100         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2101         aarch64_contains_opt,
2102         aarch64_get_extension_string_for_isa_flags): Change type of
2103         variables storing flags to uint64_t.
2104         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2105         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2106         * config/aarch64/aarch64.c (struct processor,
2107         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2108         aarch64_validate_march, aarch64_override_options,
2109         aarch64_option_print, aarch64_handle_attr_isa_flags,
2110         aarch64_declare_function_name, aarch64_start_file): Make flag
2111         variables uint64_t.
2112         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2113         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2114         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2115         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2116         * config/aarch64/driver-aarch64.c
2117         (struct aarch64_arch_extension, struct aarch64_core_data,
2118         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2119         flag variables uint64_t.
2120         * doc/invoke.texi: Add documentation for new arguments.
2121
2122 2019-05-22  Richard Biener  <rguenther@suse.de>
2123
2124         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2125         rewrite ...
2126         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2127
2128 2019-05-22  Martin Liska  <mliska@suse.cz>
2129
2130         PR lto/90500
2131         * doc/extend.texi: Document the change.
2132
2133 2019-05-22  Richard Biener  <rguenther@suse.de>
2134
2135         PR tree-optimization/90450
2136         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2137         (mem_ref_hasher::equal): Check it.
2138         (mem_ref_alloc): Initialize it.
2139         (gather_mem_refs_stmt): Set it.
2140
2141 2019-05-22  Richard Biener  <rguenther@suse.de>
2142
2143         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2144         Add ABS_EXPR.
2145         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2146         as ABSU_EXPR.
2147
2148 2019-05-22  Alan Modra  <amodra@gmail.com>
2149
2150         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2151         (ASM_CPU_SPEC): Conditionally add -many.
2152         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2153         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2154         (rs6000_file_start): ..extracted from here, and modified to
2155         test all ISA bits.
2156         (rs6000_output_function_prologue): Emit .machine as necessary.
2157         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2158         power mnemonics.
2159         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2160         added by check_vect_support_and_set_flags.
2161         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2162         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2163
2164 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2165
2166         PR middle-end/90553
2167         * ira-lives.c (process_bb_node_lives): Consider defs
2168         for a call insn to be die before the call, not after.
2169
2170         * function.c (assign_parm_setup_block): Raise alignment of
2171         stacked parameter only for STRICT_ALIGNMENT targets.
2172
2173 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2174
2175         * config/rs6000/constraints.md (define_register_constraint "wz"):
2176         Delete.
2177         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2178         RS6000_CONSTRAINT_wz.
2179         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2180         (rs6000_init_hard_regno_mode_ok): Adjust.
2181         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2182         * doc/md.texi (Machine Constraints): Adjust.
2183
2184 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2185
2186         * config/rs6000/constraints.md (define_register_constraint "wl"):
2187         Delete.
2188         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2189         RS6000_CONSTRAINT_wl.
2190         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2191         (rs6000_init_hard_regno_mode_ok): Adjust.
2192         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2193         * doc/md.texi (Machine Constraints): Adjust.
2194
2195 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2196
2197         * config/rs6000/constraints.md (define_register_constraint "wm"):
2198         Delete.
2199         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2200         RS6000_CONSTRAINT_wm.
2201         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2202         (rs6000_init_hard_regno_mode_ok): Adjust.
2203         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2204         * doc/md.texi (Machine Constraints): Adjust.
2205
2206 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2207
2208         * config/rs6000/constraints.md (define_register_constraint "wk"):
2209         Delete.
2210         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2211         RS6000_CONSTRAINT_wk.
2212         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2213         (rs6000_init_hard_regno_mode_ok): Adjust.
2214         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2215         * doc/md.texi (Machine Constraints): Adjust.
2216
2217 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2218
2219         * config/rs6000/constraints.md (define_register_constraint "wj"):
2220         Delete.
2221         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2222         RS6000_CONSTRAINT_wj.
2223         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2224         (rs6000_init_hard_regno_mode_ok): Adjust.
2225         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2226         (VS_64dm): Delete.
2227         * config/rs6000/vsx.md: Ditto.
2228         * doc/md.texi (Machine Constraints): Adjust.
2229
2230 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2231
2232         * config/rs6000/constraints.md (define_register_constraint "wh"):
2233         Delete.
2234         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2235         RS6000_CONSTRAINT_wh.
2236         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2237         (rs6000_init_hard_regno_mode_ok): Adjust.
2238         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2239         * doc/md.texi (Machine Constraints): Adjust.
2240
2241 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2242
2243         PR target/90547
2244         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2245         Avoid calling gen_lowpart with CONST operand.
2246
2247 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2248
2249         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2250         field template_last_to_copy.
2251         (ssa_create_duplicates): Set it, and use it.  Attempt to
2252         preserve more debug stmts.
2253
2254 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2255
2256         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2257         (signbit<mode>2): New expander
2258
2259 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2260
2261         PR bootstrap/87338
2262         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2263         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2264
2265 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2266
2267         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2268         %ebx and %ecx bafore calling cpuid with leaf 1 or
2269         non-constant leaf argument.
2270
2271 2019-05-21  Alan Modra  <amodra@gmail.com>
2272
2273         PR target/90545
2274         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2275         power9 direct move cost.
2276         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2277         Correct comments and rename functions to suit parameters.
2278
2279 2019-05-21  Richard Biener  <rguenther@suse.de>
2280
2281         PR middle-end/90510
2282         * fold-const.c (fold_read_from_vector): New function.
2283         * fold-const.h (fold_read_from_vector): Declare.
2284         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2285         single-element insert permutations.  Canonicalize selector
2286         further and fix issue with last commit.
2287
2288 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2289
2290         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2291         parameter with default value false to declaration.
2292         (split_edges_for_insertion): New inline function.  Wrapper for
2293         split_critical_edges with for_edge_insertion_p = true.
2294         * tree-cfg.c (split_critical_edges): Don't split non-critical
2295         edges if for_edge_insertion_p is false.  Fix whitespace.
2296         * tree-ssa-pre.c (pass_pre::execute): Call
2297         split_edges_for_insertion instead of split_critical_edges.
2298         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2299         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2300         (pass_data_sink_code): Update function name in the comment.
2301
2302 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2303
2304         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2305         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2306         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2307         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2308         positives.
2309
2310 2019-05-21  Martin Liska  <mliska@suse.cz>
2311
2312         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2313         an extra newline.
2314         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2315         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2316         vec_lvsr.
2317         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2318         Quote a C type.
2319         (rs6000_function_arg): Likewise.
2320         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2321         (rs6000_expand_ternop_builtin): Use interval syntax.
2322         (get_element_number): Likewise.
2323         (altivec_expand_builtin): Likewise.
2324         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2325
2326 Fix test-suite.
2327
2328 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2329
2330         PR c++/59813
2331         PR target/90418
2332         * function.h (struct function): Add calls_eh_return member.
2333         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2334         gimplifying __builtin_eh_return call.
2335         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2336         to cfun.
2337         (expand_call_inline): Or in src_cfun->calls_eh_return into
2338         dst_cfun->calls_eh_return.
2339         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2340         cfun->calls_eh_return.
2341         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2342         * lto-streamer-out.c (output_struct_function_base): Write
2343         calls_eh_return.
2344
2345 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2346
2347         PR rtl-optimization/43147
2348         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2349         IX86_BUILTIN_SHUFPD.
2350
2351 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2352
2353         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2354         (refs_may_alias_p_1): ... here; update stats.
2355         (refs_may_alias_p): Do not update stats here.
2356
2357 2019-05-20  Richard Biener  <rguenther@suse.de>
2358
2359         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2360         doesn't produce pointers.
2361         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2362         the first operand points to.
2363
2364 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2365
2366         * tree-ssa-alias.c (compare_sizes): New function.
2367         (sompare_type_sizes): New function
2368         (aliasing_component_refs_p): Use it.
2369         (indirect_ref_may_alias_decl_p): Likewise.
2370
2371 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2372
2373         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2374
2375 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2376
2377         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2378         (LIBLSAN_EARLY_SPEC): Likewise.
2379         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2380
2381 2019-05-20  Martin Liska  <mliska@suse.cz>
2382
2383         * config/i386/i386.c (ix86_libc_has_fast_function):
2384         Add ATTRIBUTE_UNUSED for the argument.
2385
2386 2019-05-20  Richard Biener  <rguenther@suse.de>
2387
2388         * gimple-match-head.c: Include vec-perm-indices.h.
2389         * generic-match-head.c: Likewise.
2390         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2391         is included.
2392         * fold-const.c (fold_vec_perm): Export.
2393         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2394         (match.pd): ...here.
2395
2396 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2397
2398         * cfgloop.h (struct loop): Add simdlen member.
2399         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2400         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2401         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2402         as new argument to autovectorize_vector_sizes target hook.  If
2403         loop->simdlen, pick up vector size where the vectorization factor
2404         is equal to loop->simd, and if there is none, fall back to the first
2405         successful one.
2406         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2407         caller.
2408         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2409         * omp-general.c (omp_max_vf): Likewise.
2410         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2411         * tree-vect-slp.c (vect_slp_bb): Likewise.
2412         * target.def (autovectorize_vector_sizes): Add ALL argument and
2413         document it.
2414         * doc/tm.texi: Adjust documentation.
2415         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2416         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2417         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2418         bool argument.
2419         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2420         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2421         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2422         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2423         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2424         preferred vector size is not 512-bit or 256-bit, just put those
2425         unpreferred ones last.
2426
2427 2019-05-20  Martin Liska  <mliska@suse.cz>
2428
2429         * targhooks.c (default_libc_has_fast_function): New function.
2430         * targhooks.h (default_libc_has_fast_function): Likewise.
2431
2432 2019-05-20  Martin Liska  <mliska@suse.cz>
2433
2434         PR middle-end/90263
2435         * builtins.c (expand_builtin_memory_copy_args): When having a
2436         target with fast mempcpy implementation do now use memcpy.
2437         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2438         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2439         * doc/tm.texi: Likewise.
2440         * doc/tm.texi.in: Likewise.
2441         * target.def:
2442         * expr.c (emit_block_move_hints): Add 2 new arguments.
2443         * expr.h (emit_block_move_hints): Bail out when libcall
2444         to memcpy would be used.
2445
2446 2019-05-20  Martin Liska  <mliska@suse.cz>
2447
2448         * profile-count.c: Add vertical spacing in order
2449         to separate functions.
2450         * profile-count.h: Likewise.
2451
2452 2019-05-20  Martin Liska  <mliska@suse.cz>
2453
2454         * profile-count.h: Do not use full qualified
2455         names if possible.
2456         * profile-count.c (profile_count::to_frequency): Likewise.
2457
2458 2019-05-20  Martin Liska  <mliska@suse.cz>
2459
2460         * profile-count.h (enum profile_quality): Use capital letters
2461         for enum value names.  Use the adjusted names.
2462         * profile-count.c: Use the adjusted names.
2463
2464 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2465
2466         * config/rs6000/constraints.md (define_register_constraint "wH"):
2467         Delete.
2468         (define_register_constraint "wI"): Delete.
2469         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2470         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2471         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2472         (rs6000_init_hard_regno_mode_ok): Adjust.
2473         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2474         resp. "d", or with "wa" as appropriate, all with "p8v".
2475         * config/rs6000/vsx.md: Ditto.
2476         * doc/md.texi (Machine Constraints): Adjust.
2477
2478 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2479
2480         * config/rs6000/constraints.md (define_register_constraint "wy"):
2481         Delete.
2482         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2483         RS6000_CONSTRAINT_wy.
2484         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2485         (rs6000_init_hard_regno_mode_ok): Adjust.
2486         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2487         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2488         (define_mode_attr Fisa): New.
2489         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2490         * doc/md.texi (Machine Constraints): Adjust.
2491
2492 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2493
2494         * config/rs6000/constraints.md (define_register_constraint "wu"):
2495         Delete.
2496         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2497         RS6000_CONSTRAINT_wu.
2498         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2499         (rs6000_init_hard_regno_mode_ok): Adjust.
2500         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2501         both with "p8v".
2502         (define_mode_attr Fa): Delete.
2503         * config/rs6000/vsx.md: Ditto.
2504         * doc/md.texi (Machine Constraints): Adjust.
2505
2506 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2507
2508         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2509         Delete.
2510         (define_register_constraint "wK"): Delete.
2511         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2512         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2513         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2514         (rs6000_init_hard_regno_mode_ok): Adjust.
2515         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2516         Replace "wK" constraint by "wH" with "p9v".
2517         * config/rs6000/vsx.md: Ditto.
2518         * doc/md.texi (Machine Constraints): Adjust.
2519
2520 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2521
2522         * config/rs6000/constraints.md (define_register_constraint "wb"):
2523         Delete.
2524         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2525         RS6000_CONSTRAINT_wb.
2526         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2527         (rs6000_init_hard_regno_mode_ok): Adjust.
2528         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2529         * config/rs6000/vsx.md: Ditto.
2530         * doc/md.texi (Machine Constraints): Adjust.
2531
2532 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2533
2534         * config/rs6000/constraints.md (define_register_constraint "wo"):
2535         Delete.
2536         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2537         RS6000_CONSTRAINT_wo.
2538         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2539         (rs6000_init_hard_regno_mode_ok): Adjust.
2540         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2541         * config/rs6000/altivec.md: Ditto.
2542         * doc/md.texi (Machine Constraints): Adjust.
2543
2544 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2545
2546         * config/darwin-c.c (darwin_register_objc_includes): Do not
2547         prepend the sysroot when building gnu-runtime header search
2548         paths.
2549
2550 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2551
2552         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2553         instead of direct output of the asm.
2554
2555 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2556
2557         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2558         argument to be type bool (was int before).
2559         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2560         at first use.  Use type bool for some variables.  Fix a theoretical
2561         eh_return bug for svr4.
2562
2563 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2564
2565         * config/rs6000/rs6000.md (isa): New attribute.
2566         (enabled): New attribute.
2567
2568 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2569
2570         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2571         assemble_start_function and assemble_end_function.
2572
2573 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2574
2575         PR middle-end/89433
2576         * omp-general.c (oacc_verify_routine_clauses): Change formal
2577         parameters.  Add checking if already marked with an OpenACC
2578         'routine' directive.  Adjust all users.
2579
2580         PR middle-end/89433
2581         * omp-general.c (oacc_build_routine_dims): Move some of its
2582         processing into...
2583         (oacc_verify_routine_clauses): ... this new function.
2584         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2585
2586 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2587
2588         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2589         formating of picbase labels to match other ports.
2590
2591 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2592
2593         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2594         in the generated code.
2595
2596 2019-05-16  Martin Sebor  <msebor@redhat.com>
2597
2598         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2599         identifiers, keywords, operators, and types in diagnostics.  Correct
2600         quoting, spelling, and sentence capitalization issues.
2601         (expand_builtin_atomic_is_lock_free): Same.
2602         (fold_builtin_next_arg): Same.
2603         * cfgexpand.c (expand_one_var): Same.
2604         (tree_conflicts_with_clobbers_p): Same.
2605         (expand_asm_stmt): Same.
2606         (verify_loop_structure): Same.
2607         * cgraphunit.c (process_function_and_variable_attributes): Same.
2608         * collect-utils.c (collect_execute): Same.
2609         * collect2.c (maybe_run_lto_and_relink): Same.
2610         (is_lto_object_file): Same.
2611         (scan_prog_file): Same.
2612         * convert.c (convert_to_real_1): Same.
2613         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2614         * except.c (verify_eh_tree): Same.
2615         * gcc.c (execute): Same.
2616         (eval_spec_function): Same.
2617         (run_attempt): Same.
2618         (driver::set_up_specs): Same.
2619         (compare_debug_auxbase_opt_spec_function): Same.
2620         * gcov-tool.c (unlink_gcda_file): Same.
2621         (do_merge): Same.
2622         (do_rewrite): Same.
2623         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2624         * gimplify.c (gimplify_asm_expr): Same.
2625         (gimplify_adjust_omp_clauses): Same.
2626         * hsa-gen.c (gen_hsa_addr_insns): Same.
2627         (gen_hsa_insns_for_load): Same.
2628         (gen_hsa_cmp_insn_from_gimple): Same.
2629         (gen_hsa_insns_for_operation_assignment): Same.
2630         (gen_get_level): Same.
2631         (gen_hsa_alloca): Same.
2632         (omp_simple_builtin::generate): Same.
2633         (gen_hsa_atomic_for_builtin): Same.
2634         (gen_hsa_insns_for_call): Same.
2635         * input.c (dump_location_info): Same.
2636         * ipa-devirt.c (compare_virtual_tables): Same.
2637         * ira.c (ira_setup_eliminable_regset): Same.
2638         * lra-assigns.c (lra_assign): Same.
2639         * lra-constraints.c (lra_constraints): Same.
2640         * lto-streamer-in.c (lto_input_mode_table): Same.
2641         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2642         (merge_and_complain): Same.
2643         (compile_offload_image): Same.
2644         (compile_images_for_offload_targets): Same.
2645         (debug_objcopy): Same.
2646         (run_gcc): Same.
2647         (main): Same.
2648         * opts.c (print_specific_help): Same.
2649         (parse_no_sanitize_attribute): Same.
2650         (print_help): Same.
2651         (handle_param): Same.
2652         * plugin.c (add_new_plugin): Same.
2653         (parse_plugin_arg_opt): Same.
2654         (try_init_one_plugin): Same.
2655         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2656         operators, and types in diagnostics.  Correct quoting and spelling
2657         issues.
2658         * read-rtl-function.c (parse_edge_flag_token): Same.
2659         (function_reader::parse_enum_value): Same.
2660         * reg-stack.c (check_asm_stack_operands): Same.
2661         * regcprop.c (validate_value_data): Same.
2662         * sched-rgn.c (make_pass_sched_fusion): Same.
2663         * stmt.c (check_unique_operand_names): Same.
2664         * targhooks.c (default_target_option_pragma_parse): Same.
2665         * tlink.c (recompile_files): Same.
2666         * toplev.c (process_options): Same.
2667         (do_compile): Same.
2668         * trans-mem.c (diagnose_tm_1): Same.
2669         (ipa_tm_scan_irr_block): Same.
2670         (ipa_tm_diagnose_transaction): Same.
2671         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2672         format a tree code name in a diagnostic.
2673         (verify_types_in_gimple_min_lval): Same.
2674         (verify_types_in_gimple_reference): Same.
2675         (verify_gimple_call): Same.
2676         (verify_gimple_assign_unary): Same.
2677         (verify_gimple_assign_binary): Same.
2678         (verify_gimple_assign_ternary): Same.
2679         (verify_gimple_assign_single): Same.
2680         (verify_gimple_switch): Same.
2681         (verify_gimple_label): Same.
2682         (verify_gimple_phi): Same.
2683         (verify_gimple_in_seq): Same.
2684         (verify_eh_throw_stmt_node): Same.
2685         (collect_subblocks): Same.
2686         (gimple_verify_flow_info): Same.
2687         (do_warn_unused_result): Same.
2688         * tree-inline.c (expand_call_inline): Same.
2689         * tree-into-ssa.c (update_ssa): Same.
2690         * tree.c (tree_int_cst_elt_check_failed): Same.
2691         (tree_vec_elt_check_failed): Same.
2692         (omp_clause_operand_check_failed): Same.
2693         (verify_type_variant): Same.
2694         (verify_type): Same.
2695         * value-prof.c (verify_histograms): Same.
2696         * varasm.c (assemble_start_function): Same.
2697
2698 2019-05-16  Martin Sebor  <msebor@redhat.com>
2699
2700         * config/i386/i386-expand.c (get_element_number): Quote keywords
2701         and other internal names in diagnostics.  Adjust other diagnostic
2702         formatting issues noted by -Wformat-diag.
2703         * config/i386/i386-features.c
2704         (ix86_mangle_function_version_assembler_name): Same.
2705         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2706         * config/i386/i386.c (ix86_function_type_abi): Same.
2707         (ix86_function_ms_hook_prologue): Same.
2708         (classify_argument): Same.
2709         (ix86_expand_prologue): Same.
2710         (ix86_md_asm_adjust): Same.
2711         (ix86_memmodel_check): Same.
2712
2713 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2714
2715         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2716         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2717         and fpxx modes.
2718
2719 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2720
2721         PR target/90497
2722         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2723         intrinsics without SSE/SSE2/SSSE3.
2724         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2725         check.
2726         (*mmx_uavgv8qi3): Likewise.
2727
2728 2019-05-17  Richard Biener  <rguenther@suse.de>
2729
2730         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2731         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2732
2733 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2734
2735         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2736         vec_sldw insn pattern.
2737
2738 2019-05-17  Richard Biener  <rguenther@suse.de>
2739
2740         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2741
2742 2019-05-17  Martin Liska  <mliska@suse.cz>
2743
2744         PR driver/90496
2745         * toplev.c (output_stack_usage): With LTO and sanitizer it
2746         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2747         has no file location.
2748
2749 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR c++/90484
2752         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2753         sz0 is equal to sz1, instead return false in that case.
2754
2755         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2756         has non-constant expression, force sctx.lane and use two
2757         argument IFN_GOMP_SIMD_LANE instead of single argument.
2758         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2759         two argument IFN_GOMP_SIMD_LANE without lhs.
2760         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2761         member.
2762         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2763         Define.
2764         (LOOP_REQUIRES_VERSIONING): Or in
2765         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2766         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2767         simd_if_cond.
2768         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2769         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2770         from simd if clause if needed.
2771
2772 2019-05-16  Richard Biener  <rguenther@suse.de>
2773
2774         * tree-affine.c (expr_to_aff_combination): New function split
2775         out from...
2776         (tree_to_aff_combination): ... here.
2777         (aff_combination_expand): Avoid building a GENERIC tree.
2778
2779 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2780
2781         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2782         assemble_start_function and assemble_end_function calls.
2783         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2784         assemble_start_function and assemble_end_function.
2785         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2786         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2787         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2788         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2789         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2790         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2791         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2792         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2793         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2794         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2795         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2796         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2797         Likewise.
2798         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2799         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2800         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2801         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2802         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2803         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2804         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2805         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2806         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2807         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2808         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2809         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2810         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2811         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2812         Likewise.
2813         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2814         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2815         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2816
2817 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2818
2819         * tree-ssa-alias.c (alias_stats): Add
2820         aliasing_component_refs_p_may_alias and
2821         aliasing_component_refs_p_no_alias.
2822         (dump_alias_stats): Print aliasing_component_refs_p stats.
2823         (aliasing_component_refs_p): Update stats.
2824
2825 2019-05-16  Martin Liska  <mliska@suse.cz>
2826
2827         PR lto/90500
2828         * multiple_target.c (expand_target_clones): Do not allow
2829         target_clones being used with a symbol that is an alias.
2830
2831 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2832
2833         PR tree-optimization/90394
2834         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2835         positives rather than ICE for cases where (code2 == NE_EXPR
2836         && code1 == BIT_AND_EXPR).
2837
2838 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR fortran/90329
2841         * tree-core.h (struct tree_decl_common): Document
2842         decl_nonshareable_flag for PARM_DECLs.
2843         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2844         * calls.c (expand_call): Don't try tail call if caller
2845         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2846         passed on the stack and callee needs to pass any arguments on the
2847         stack.
2848         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2849         else if instead of series of mutually exclusive ifs.  Handle
2850         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2851         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2852
2853         * lto-streamer.h (LTO_major_version): Bump to 9.
2854
2855 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2856
2857         PR tree-optimization/90106
2858         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2859         new parameter as new internal function call, also move it to new
2860         basic block.
2861         (use_internal_fn): Pass internal function call to
2862         shrink_wrap_one_built_in_call_with_conds.
2863
2864 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2865
2866         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2867         max_vf to 1.
2868         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2869         safelen_int and set loop->dont_vectorize.
2870
2871 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2872
2873         PR target/89021
2874         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2875         SSE/SSE2/SSSE3.
2876         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2877         Likewise.
2878         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2879         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2880         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2881         is defined.
2882
2883 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2884
2885         PR target/89021
2886         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2887         define_insn_and_split to support SSE emulation.
2888         (*vec_extractv2sf_0): Likewise.
2889         (*vec_extractv2sf_1): Likewise.
2890         (*vec_extractv2si_0): Likewise.
2891         (*vec_extractv2si_1): Likewise.
2892         (*vec_extractv2si_zext_mem): Likewise.
2893         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2894         (vec_extractv2sf_1 splitter): Likewise.
2895         (vec_extractv2sfsf): Likewise.
2896         (vec_setv2si): Likewise.
2897         (vec_extractv2si_1 splitter): Likewise.
2898         (vec_extractv2sisi): Likewise.
2899         (vec_setv4hi): Likewise.
2900         (vec_extractv4hihi): Likewise.
2901         (vec_setv8qi): Likewise.
2902         (vec_extractv8qiqi): Likewise.
2903         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2904         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2905         (vec_extractv2sisi): Likewise.
2906         (vec_extractv4hihi): Likewise.
2907         (vec_extractv8qiqi): Likewise.
2908         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2909         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2910         (vec_initv2sisi): Likewise.
2911         (vec_initv4hihi): Likewise.
2912         (vec_initv8qiqi): Likewise.
2913         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2914         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2915         (vec_setv4hi): Likewise.
2916         (vec_setv8qi): Likewise.
2917
2918 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         PR target/89021
2921         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2922         TARGET_MMX_WITH_SSE.
2923         (MMXMODE:*mov<mode>_internal): Likewise.
2924         (MMXMODE:movmisalign<mode>): Likewise.
2925
2926 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2927
2928         PR target/89021
2929         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2930         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2931         (sse2_cvtpd2pi): Ditto.
2932         (sse2_cvttpd2pi): Ditto.
2933         (*vec_concatv2sf_sse4_1): Ditto.
2934         (*vec_concatv2sf_sse): Ditto.
2935         (*vec_concatv2si_sse4_1): Ditto.
2936         (*vec_concatv2si): Ditto.
2937         (*vec_concatv4si_0): Ditto.
2938         (*vec_concatv2di_0): Ditto.
2939
2940 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2941
2942         PR target/89021
2943         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2944
2945 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2946
2947         PR target/89021
2948         * config/i386/sse.md (ssse3_palignrdi): Changed to
2949         define_insn_and_split to support SSE emulation.
2950
2951 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR target/89021
2954         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2955
2956 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2957
2958         PR target/89021
2959         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2960         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2961         SSE emulation.
2962
2963 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2964
2965         PR target/89021
2966         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2967         or TARGET_MMX_WITH_SSE.
2968         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2969
2970 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2971
2972         PR target/89021
2973         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2974
2975 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2976
2977         PR target/89021
2978         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2979         Changed to define_insn_and_split to support SSE emulation.
2980
2981 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2982
2983         PR target/89021
2984         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2985         Changed to define_insn_and_split to support SSE emulation.
2986
2987 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2988
2989         PR target/89021
2990         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2991         (*mmx_<emms>): This.
2992         (mmx_<emms>): New expander.
2993
2994 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2995
2996         PR target/89021
2997         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2998         support.
2999         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3000
3001 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3002
3003         PR target/89021
3004         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3005
3006 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3007
3008         PR target/89021
3009         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3010
3011 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3012
3013         PR target/89021
3014         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3015         TARGET_MMX_WITH_SSE.
3016         (*mmx_uavgv4hi3): Add SSE emulation.
3017
3018 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3019
3020         PR target/89021
3021         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3022         and TARGET_MMX_WITH_SSE.
3023         (*mmx_uavgv8qi3): Add SSE emulation.
3024
3025 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3026
3027         PR target/89021
3028         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3029         maskmovdqu for __MMX_WITH_SSE__.
3030
3031 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3032
3033         PR target/89021
3034         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3035         TARGET_MMX and TARGET_MMX_WITH_SSE.
3036         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3037
3038 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3039
3040         PR target/89021
3041         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3042         define_insn_and_split to support SSE emulation.
3043
3044 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3045
3046         PR target/89021
3047         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3048         and TARGET_MMX_WITH_SSE.
3049         (mmx_<code>v8qi3): Likewise.
3050         (smaxmin:<code>v4hi3): New.
3051         (umaxmin:<code>v8qi3): Likewise.
3052         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3053         (umaxmin:*mmx_<code>v8qi3): Likewise.
3054
3055 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3056
3057         PR target/89021
3058         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3059         TARGET_MMX_WITH_SSE.
3060         (*mmx_pinsrw): Add SSE emulation.
3061
3062 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3063
3064         PR target/89021
3065         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3066
3067 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3068
3069         PR target/89021
3070         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3071         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3072         SSE emulation.
3073
3074 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3075
3076         PR target/89021
3077         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3078         (sse_cvttps2pi): Likewise.
3079
3080 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3081
3082         PR target/89021
3083         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3084         TARGET_MMX_WITH_SSE.
3085         (mmx_pshufw_1): Add SSE emulation.
3086         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3087         TARGET_MMX_WITH_SSE to support SSE emulation.
3088
3089 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3090
3091         PR target/89021
3092         * config/i386/constraints.md (Yw): New constraint.
3093         * config/i386/mmx.md (*vec_dupv2si): Changed to
3094         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3095         support SSE emulation.
3096
3097 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3098
3099         PR target/89021
3100         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3101         TARGET_MMX_WITH_SSE.
3102         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3103         support.
3104         (mmx_gt<mode>3): Likewise.
3105
3106 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3107
3108         PR target/89021
3109         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3110         TARGET_MMX_WITH_SSE.  Add SSE support.
3111
3112 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3113
3114         PR target/89021
3115         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3116         TARGET_MMX_WITH_SSE.
3117         (any_logic:<code><mode>3): New.
3118         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3119         Add SSE support.
3120
3121 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3122
3123         PR target/89021
3124         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3125         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3126         (mmx_<shift_insn><mode>3): Likewise.
3127         (ashr<mode>3): New.
3128         (<shift_insn><mode>3): Likewise.
3129
3130 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3131
3132         PR target/89021
3133         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3134         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3135
3136 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3137
3138         PR target/89021
3139         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3140         TARGET_MMX_WITH_SSE.
3141         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3142         SSE support.
3143
3144 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3145
3146         PR target/89021
3147         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3148         TARGET_MMX_WITH_SSE.
3149         (mulv4hi3): New.
3150         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3151         support.
3152
3153 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3154
3155         PR target/89021
3156         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3157         (plusminus:mmx_<plusminus_insn><mode>3): Check
3158         TARGET_MMX_WITH_SSE.
3159         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3160         (<plusminus_insn><mode>3): New.
3161         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3162         (*mmx_<plusminus_insn><mode>3): Likewise.
3163
3164 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3165
3166         PR target/89021
3167         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3168         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3169         prototype.
3170         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3171         define_insn_and_split to support SSE emulation.
3172         (mmx_punpcklbw): Likewise.
3173         (mmx_punpckhwd): Likewise.
3174         (mmx_punpcklwd): Likewise.
3175         (mmx_punpckhdq): Likewise.
3176         (mmx_punpckldq): Likewise.
3177
3178 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3179             Uros Bizjak  <ubizjak@gmail.com>
3180
3181         PR target/89021
3182         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3183         New function.
3184         (ix86_split_mmx_pack): Likewise.
3185         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3186         New prototype.
3187         (ix86_split_mmx_pack): Likewise.
3188         * config/i386/i386.md (mmx_isa): New.
3189         (enabled): Also check mmx_isa.
3190         * config/i386/mmx.md (any_s_truncate): New code iterator.
3191         (s_trunsuffix): New code attr.
3192         (mmx_packsswb): Removed.
3193         (mmx_packssdw): Likewise.
3194         (mmx_packuswb): Likewise.
3195         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3196         MMX packsswb/packuswb with SSE2.
3197         (mmx_packssdw): Likewise.
3198         * config/i386/predicates.md (register_mmxmem_operand): New.
3199
3200 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3201
3202         PR target/89021
3203         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3204         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3205         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3206         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3207         (ix86_vector_mode_supported_p): Likewise.
3208         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3209
3210 2019-05-15  Martin Liska  <mliska@suse.cz>
3211
3212         PR middle-end/90478
3213         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3214         Check for overflow.
3215
3216 2019-05-15  Richard Biener  <rguenther@suse.de>
3217
3218         * tree-into-ssa.c (pass_build_ssa::execute): Run
3219         update_address_taken before going into SSA.
3220
3221 2019-05-15  Richard Biener  <rguenther@suse.de>
3222
3223         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3224         as __BIT_FIELD_REF with type with -gimple.
3225
3226 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3227
3228         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3229         semantically equivalent branches (left over after prior refactorings).
3230
3231 2019-05-15  Richard Biener  <rguenther@suse.de>
3232
3233         PR tree-optimization/88828
3234         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3235         bogus check.
3236
3237 2019-05-14  Richard Biener  <rguenther@suse.de>
3238
3239         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3240         as __VIEW_CONVERT with -gimple.
3241
3242 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3243
3244         PR target/82920
3245         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3246         Darwin.
3247
3248 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3249
3250         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3251         define_split to become a define_insn_and_split.
3252
3253 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3254
3255         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3256         arguments.
3257         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3258         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3259         (sibcall_epilogue): Adjust.
3260         (epilogue): Adjust.
3261
3262 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3263
3264         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3265         to unsupported ones.
3266         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3267         * config.host: Likewise.
3268         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3269         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3270         __svr4__]: Remove "brand" fallback.
3271         [!KSTAT_DATA_STRING]: Remove.
3272         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3273         to *-*-solaris2*.
3274         (comdat_group): Likewise.
3275         (set_have_as_tls): Likewise.
3276         (gcc_cv_target_dl_iterate_phdr): Likewise.
3277         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3278         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3279         * configure: Regenerate.
3280         * doc/install.texi: Simplify Solaris target triplets.
3281         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3282         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3283         Remove Solaris 10 references.
3284         Remove obsolete Solaris bug reference.
3285         (Specific, sparc-sun-solaris2.10): Remove.
3286
3287 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3288
3289         * config/i386/i386.md (any_div): New code iterator.
3290         (paired_mod): New code attribute.
3291         (sgnprefix): Handle DIV and UDIV RTXes.
3292         (u): Ditto.
3293         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3294         and udivmod<mode>4 patterns using any_div code iterator.
3295         (divmod splitters): Macroize splitters using any_div code iterator.
3296         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3297         (*udivmodsi4_pow2_zext_2): Ditto.
3298         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3299         and *udivmod<mode>4_noext patterns using any_div code iterator.
3300         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3301         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3302         patterns using any_div code iterator.
3303         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3304         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3305         patterns using any_div code iterator.
3306         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3307         udivmodhiqi3 patterns using any_extend code iterator.
3308
3309 2019-05-14  Richard Biener  <rguenther@suse.de>
3310             H.J. Lu  <hongjiu.lu@intel.com>
3311
3312         PR tree-optimization/88828
3313         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3314         permuting in a single non-constant element not extracted
3315         from a vector.
3316
3317 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3318
3319         * internal-fn.def (SIGNBIT): New.
3320         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3321         defined.
3322         (signbitv4sf2): Likewise.
3323
3324 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3325
3326         PR target/90357
3327         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3328         next insn when the SRC reg is dead.
3329
3330 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3331
3332         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3333         (alloc_cand_and_find_basis): Ditto.
3334         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3335         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3336         (create_add_imm_cand, slsr_process_cast): Ditto.
3337         (slsr_process_copy, replace_mult_candidate): Ditto.
3338         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3339         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3340         (pass_strength_reduction::execute): Init the first NULL element.
3341
3342 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3343
3344         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3345         (run_attempt): Reformat line break.
3346
3347 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3348
3349         PR target/90418
3350         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3351         data registers in sibcall epilogues.
3352         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3353
3354 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3355
3356         PR target/89221
3357         * configure.ac (--enable-frame-pointer):
3358         Disable by default for cygwin and mingw.
3359         * configure: Regenerate.
3360
3361 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3362
3363         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3364         piece of code.
3365         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3366         (gen_member_die): Move abstract origin check earlier.  Only VARs
3367         can be static_inline_p.  Simplify splicing control flow.
3368
3369 2019-05-13  Richard Biener  <rguenther@suse.de>
3370
3371         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3372         VIEW_CONVERT_EXPR.
3373         (vect_build_slp_tree_1): Likewise.
3374
3375 2019-05-13  Richard Biener  <rguenther@suse.de>
3376
3377         PR tree-optimization/90402
3378         * tree-if-conv.c (tree_if_conversion): Value number only
3379         the loop body by making the latch an exit of the region
3380         as well.
3381         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3382         processing PHIs.
3383         (do_rpo_vn): Deal with multiple edges into the entry block
3384         that are not backedges inside the region by skipping PHIs
3385         of the entry block.
3386
3387 2019-05-13  Richard Biener  <rguenther@suse.de>
3388
3389         PR tree-optimization/90316
3390         * tree-ssa-pre.c (insert_aux): Fold into ...
3391         (insert): ... this function.  Use a RPO walk to reduce the
3392         number of required iterations.
3393
3394 2019-05-13  Martin Liska  <mliska@suse.cz>
3395
3396         PR tree-optimization/90416
3397         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3398         string instead of passing the second part as va_arg argument.
3399
3400 2019-05-13  Martin Liska  <mliska@suse.cz>
3401
3402         PR gcov-profile/90380
3403         * gcov.c (handle_cycle): Do not support zero cycle count,
3404         it should not be possible.
3405         (path_contains_zero_cycle_arc): New function.
3406         (circuit): Ignore zero cycle arc counts.
3407
3408 2019-05-13  Martin Liska  <mliska@suse.cz>
3409
3410         PR gcov-profile/90380
3411         * gcov.c (enum loop_type): Remove the enum and
3412         the operator.
3413         (handle_cycle): Assert that we should not reach
3414         a negative count.
3415         (circuit): Use loop_found instead of a tri-state loop_type.
3416         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3417         happen.
3418
3419 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3420
3421         PR target/82920
3422         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3423         (ix86_output_indirect_branch_via_reg): Use output mechanism
3424         accounting for __USER_LABEL_PREFIX__.
3425         (ix86_output_indirect_branch_via_push): Likewise.
3426         (ix86_output_function_return): Likewise.
3427         (ix86_output_indirect_function_return): Likewise.
3428
3429 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3430
3431         * doc/md.texi: Document use of code attributes in rtx patterns.
3432         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3433         * read-rtl.c (find_code): Split out search loops into...
3434         (maybe_find_code): ...this new function.
3435         (check_code_iterator): Make the error message more informative.
3436         (check_code_attribute): New function.
3437         (rtx_reader::rtx_alloc_for_name): Likewise.
3438         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3439         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3440         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3441         <max_opp> directly as an rtx code instead of via a match_operator.
3442         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3443         (<su>abd<mode>_3): Update accordingly.
3444
3445 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3446
3447         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3448         is given, print the state of the EH "save world" computation for
3449         Darwin.
3450
3451 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3452
3453         PR c++/59813
3454         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3455         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3456
3457 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3458
3459         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3460         Use pinsrd for TARGET_SSE4_1.
3461         * config/i386/sse.md (movdi_to_sse): Ditto.
3462
3463 2019-05-10  Richard Biener  <rguenther@suse.de>
3464
3465         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3466         (do_rpo_vn): Initialize next_value_id.
3467
3468 2019-05-10  Martin Liska  <mliska@suse.cz>
3469
3470         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3471         Fix plural form.
3472
3473 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3474
3475         PR tree-optimization/90385
3476         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3477         arguments of the exit phis.
3478
3479         PR c++/90383
3480         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3481         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3482         id->do_not_fold.
3483         (copy_tree_body_r): Likewise.
3484         (copy_fn): Set id.do_not_fold to true.
3485
3486 2019-05-10  Martin Liska  <mliska@suse.cz>
3487
3488         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3489         Reapply changes from r269790.
3490
3491 2019-05-10  Martin Liska  <mliska@suse.cz>
3492
3493         PR middle-end/90340
3494         * doc/invoke.texi: New params.
3495         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3496         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3497         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3498         Use it.
3499         * tree-switch-conversion.h (struct jump_table_cluster):
3500         Likewise.
3501
3502 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3503
3504         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3505
3506 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3507
3508         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3509
3510 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3511
3512         PR rtl-optimization/88879
3513         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3514
3515 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3516
3517         PR target/90405
3518         * config/arm/arm.c (callee_saved_reg_p): Move before
3519         thumb_find_work_register.
3520         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3521         thumb_find_work_register.  Only call df_get_live_out once.
3522         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3523         (thumb_find_work_register): Use
3524         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3525         algorithms to locate a spare call clobbered reg.
3526
3527 2019-05-09  Martin Liska  <mliska@suse.cz>
3528
3529         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3530         and MAX_EXPR in GIMPLE FE format.
3531
3532 2019-05-09  Martin Liska  <mliska@suse.cz>
3533
3534         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3535         * gimple-pretty-print.c (dump_gimple_bb_header):
3536         Dump BB count.
3537         (pp_cfg_jump): Dump edge probability.
3538         * profile-count.c (profile_quality_as_string): Simplify
3539         with a static array.
3540         (parse_profile_quality): New function.
3541         (profile_count::dump): Simplify with a static array.
3542         (profile_count::from_gcov_type): Add new argument.
3543         * profile-count.h (parse_profile_quality): Likewise.
3544         * predict.h (set_hot_bb_threshold): New.
3545         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3546         New param.
3547         * predict.c (get_hot_bb_threshold): Set from the new param.
3548         (set_hot_bb_threshold): New.
3549
3550 2019-05-09  Richard Biener  <rguenther@suse.de>
3551
3552         PR tree-optimization/90395
3553         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3554         rewrite vector stores that throw internally.
3555
3556 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3557
3558         * cif-code.def (CHKP): Remove.
3559
3560         PR target/89221
3561         * configure.ac (--enable-frame-pointer): Disable by default for
3562         GNU systems.
3563         * configure: Regenerate.
3564
3565 2019-05-09  Alan Modra  <amodra@gmail.com>
3566
3567         PR target/89271
3568         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3569         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3570         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3571         cost for general <-> vsx when direct moves are available.
3572         Cost union classes at minimal cost for any reg in the class.
3573         Correct calculation for moves between vsx, float, and altivec.
3574         Don't return a low cost for moves between special regs.  Don't
3575         use hard coded register numbers.
3576         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3577         (rs6000_ira_change_pseudo_allocno_class): New function.
3578         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3579         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3580         alternatives.
3581         (movsi_internal1): Don't disparage vector alternatives.
3582         (mov<mode>_internal): Likewise, excepting alternative that
3583         will be split.
3584         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3585         we <- b alternative.
3586
3587 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR c++/59813
3590         PR tree-optimization/89060
3591         * tree-ssa-live.h (live_vars_map): New typedef.
3592         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3593         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3594         (struct compute_live_vars_data): New type.
3595         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3596         live_vars_at_stmt, destroy_live_vars): New functions.
3597         * tree-tailcall.c: Include tree-ssa-live.h.
3598         (live_vars, live_vars_vec): New global variables.
3599         (find_tail_calls): Perform variable life analysis before punting.
3600         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3601         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3602         member.
3603         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3604         Perform variable life analysis to select variables that really need
3605         clobbers added.
3606         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3607         instead set id->eh_landing_pad_dest and assert it is the same.
3608         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3609
3610 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3611             Richard Earnshaw  <rearnsha@arm.com>
3612
3613         PR target/88167
3614         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3615         function.
3616         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3617         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3618         register if both the epilogue and prologue can use call-clobbered
3619         regs.
3620         (thumb1_unexpanded_epilogue): Use
3621         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3622         picking temporaries for restoring high regs to match that of the
3623         prologue where possible.
3624         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3625         the list of work registers.  Detect if the return address is still live
3626         at the end of the prologue and avoid using it for a work register if so.
3627         If the return address is not live, add LR to the list of pushable regs
3628         after the first pass.
3629
3630 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3631
3632         PR tree-optimization/90078
3633         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3634         (INFTY): Increase the value for infinite cost.
3635         (struct comp_cost): Promote type of members to int64_t.
3636         (infinite_cost): Don't set complexity in initialization.
3637         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3638         overflows to infinite_cost.
3639         (adjust_setup_cost): Promote type of parameter and cost computation
3640         to int64_t.
3641         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3642         int64_t.
3643         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3644         cost computation to int64_t.
3645         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3646         int64_t's format specifier in dump.
3647
3648 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3649
3650         PR tree-optimization/90240
3651         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3652         with respect to scaling factor pre-computed for each basic block.
3653         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3654         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3655         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3656         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3657         live range for array of loop's basic blocks.  Cleanup aux field of
3658         loop's basic blocks.
3659
3660 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3661
3662         PR tree-optimization/90356
3663         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3664
3665 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3666
3667         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3668         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3669         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3670         (ix86_handle_option): Handle -mavx512bf16.
3671         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3672         to extra_headers.
3673         * config/i386/avx512bf16vlintrin.h: New.
3674         * config/i386/avx512bf16intrin.h: New.
3675         * config/i386/cpuid.h (bit_AVX512BF16): New.
3676         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3677         * config/i386/i386-builtin-types.def: Add new types.
3678         * config/i386/i386-builtin.def: Add new builtins.
3679         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3680         __AVX512BF16__.
3681         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3682         (ix86_option_override_internal): Handle BF16.
3683         (ix86_valid_target_attribute_inner_p): Ditto.
3684         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3685         * config/i386/i386-builtin.c (enum processor_features): Add
3686         F_AVX512BF16.
3687         (static const _isa_names_table isa_names_table): Ditto.
3688         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3689         (PTA_AVX512BF16): Ditto.
3690         * config/i386/i386.opt: Add -mavx512bf16.
3691         * config/i386/immintrin.h: Include avx512bf16intrin.h
3692         and avx512bf16vlintrin.h.
3693         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3694         avx512f_cvtneps2bf16_<mode><mask_name>,
3695         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3696         * config/i386/subst.md (mask_half): Add new subst.
3697         * doc/invoke.texi: Document -mavx512bf16.
3698
3699 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3700
3701         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3702         Delete declaration.
3703         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3704         (rs6000_debug_legitimize_reload_address): Delete.
3705         (rs6000_legitimize_reload_address_ptr): Delete.
3706         (rs6000_option_override_internal): Adjust.
3707         (mem_operand_gpr): Adjust comment.
3708         (legitimate_lo_sum_address_p): Ditto.
3709         (rs6000_legitimize_reload_address): Delete.
3710         (rs6000_debug_legitimize_reload_address): Delete.
3711         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3712
3713 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3714
3715         PR target/89765
3716         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3717         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3718         to compute vector element selector for both constant and variable
3719         operands.
3720
3721 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3722
3723         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3724         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3725         ashrdi3_cvt using SWI48 mode iterator.
3726
3727 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3728
3729         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3730         (aarch64_<su>abd<mode>_3): Likewise.
3731         (*aarch64_<su>abd<mode>_3): New define_insn.
3732         (<sur>sad<vsi2qi>): New define_expand.
3733         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3734         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3735         (build_vect_cond_expr): Likewise.
3736
3737 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3738
3739         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3740         clobbers outside of accessible_reg_set.
3741         * config/i386/i386.c (ix86_conditional_register_usage):
3742         Disable register sets by clearing corresponding bits in
3743         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3744         call_used_regs and don't clear corresponding reg_names array members.
3745
3746 2019-05-07  Richard Biener  <rguenther@suse.de>
3747
3748         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3749         not specified still compute a comp_vectype for invariant
3750         compares.
3751
3752 2019-05-07  Richard Biener  <rguenther@suse.de>
3753
3754         PR tree-optimization/90316
3755         * tree-ssa-pre.c (translate_vuse_through_block): When
3756         same_valid is NULL do not bother to search for a virtual
3757         PHI continuation.
3758         (phi_translate_1): When operands changed we cannot keep
3759         the same value-number so do not bother to ask whether
3760         that's possible from translate_vuse_through_block.
3761
3762 2019-05-07  Martin Liska  <mliska@suse.cz>
3763
3764         * bitmap.c (bitmap_register): Come up with
3765         alloc_descriptor_max_uid and assign it for
3766         a new bitmap.
3767         (register_overhead): Use get_descriptor as
3768         a descriptor.
3769         (release_overhead): New.
3770         (bitmap_elem_to_freelist): Call it.
3771         (bitmap_elt_clear_from): Likewise.
3772         (bitmap_obstack_free): Likewise.
3773         (bitmap_move): Sensitively release memory.
3774         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3775         (bitmap_initialize): Initialize alloc_descriptor to zero.
3776         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3777
3778 2019-05-07  Richard Biener  <rguenther@suse.de>
3779
3780         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3781         we build a SLP node.  Remove max_size and limiting.
3782         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3783
3784 2019-05-07  Richard Biener  <rguenther@suse.de>
3785
3786         PR tree-optimization/90316
3787         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3788         limit by reference.
3789         (walk_non_aliased_vuses): Take walking limit argument.
3790         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3791         walking if it is reached instead of just counting.
3792         (get_continuation_for_phi): Likewise.
3793         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3794         limiting to the callback.
3795         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3796         (vn_reference_lookup_3): Likewise.
3797         (vn_reference_lookup_pieces): Likewise.
3798         (vn_reference_lookup): Likewise.
3799         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3800         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3801         (avail_exprs_stack::lookup_avail_expr): Likewise.
3802
3803 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3804
3805         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3806         for comparaible types in the second direction even if first one
3807         hits incomparable type.
3808
3809 2019-05-07  Richard Biener  <rguenther@suse.de>
3810
3811         PR lto/90369
3812         * lto-wrapper.c (debug_objcopy): Use the original filename
3813         including archive offset for the filename used for -save-temps.
3814
3815 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3816
3817         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3818         detection.
3819
3820 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3821             Hongtao Liu  <hongtao.liu@intel.com>
3822
3823         PR target/89750
3824         PR target/86444
3825         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3826         Modified, original implementation isn't correct.
3827
3828 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3829
3830         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3831         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3832         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3833         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3834         (FRAME_POINTER_REGNUM): Change numbering.
3835         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3836         (alt_reg_names): Adjust.
3837         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3838         fixed.
3839         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3840         (DWARF_FRAME_REGISTERS): Delete.
3841         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3842         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3843         Adjust.
3844         (REG_ALLOC_ORDER): Adjust.
3845         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3846         (REG_CLASS_CONTENTS): Adjust.
3847         (RETURN_ADDR_RTX): Change comment.
3848         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3849         instead of 67.
3850         (REGISTER_NAMES): Adjust.
3851         (ADDITIONAL_REGISTER_NAMES): Adjust.
3852         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3853
3854 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3855
3856         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3857         Delete.
3858         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3859         (DWARF_FRAME_REGISTERS): Adjust.
3860         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3861         Adjust.
3862         (REG_ALLOC_ORDER): Adjust.
3863         (enum reg_class): Delete SPR_REGS.
3864         (REG_CLASS_NAMES): Delete SPR_REGS.
3865         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3866         (REGISTER_NAMES): Adjust.
3867         (ADDITIONAL_REGISTER_NAMES): Adjust.
3868         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3869         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3870         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3871         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3872         (htm_spr_regno): Delete.
3873         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3874         argument.
3875         (rs6000_dbx_register_number): Adjust.
3876
3877 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3878
3879         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3880
3881 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3882
3883         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3884         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3885
3886 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3887
3888         PR tree-optimization/88709
3889         PR tree-optimization/90271
3890         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3891         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3892         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3893         variable.
3894         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3895         of the store merging group is larger than
3896         PARAM_STORE_MERGING_MAX_SIZE parameter.
3897         (split_group): Add bzero_first argument.  If set, always emit first
3898         the first store which must be = {} of the whole area and then for the
3899         rest of the stores consider all zero bytes as paddings.
3900         (imm_store_chain_info::output_merged_store): Check if first store
3901         is = {} of the whole area and if yes, determine which setting of
3902         bzero_first for split_group gives smaller number of stores.  Adjust
3903         split_group callers.
3904         (lhs_valid_for_store_merging_p): Allow decls.
3905         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3906         no elts.
3907         (pass_store_merging::process_store): Likewise.
3908
3909 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3910
3911         PR target/89424
3912         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3913         handling of V1TImode.
3914
3915 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3916
3917         PR target/89221
3918         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3919         and enable_frame_pointer ...
3920         * configure.ac: ... here.  Update help strings for
3921         --enable-frame-pointer.
3922         * configure: Regenerate.
3923         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3924         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3925         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3926         (USE_X86_64_FRAME_POINTER): Ditto.
3927
3928 2019-05-06  Martin Liska  <mliska@suse.cz>
3929
3930         * config.gcc: Append to target_gtfiles and fix indentation.
3931
3932 2019-05-06  Richard Biener  <rguenther@suse.de>
3933
3934         PR tree-optimization/90358
3935         * tree-vect-stmts.c (get_group_load_store_type): Properly
3936         detect unused upper half of load.
3937         (vectorizable_load): Likewise.
3938
3939 2019-05-06  Richard Biener  <rguenther@suse.de>
3940
3941         PR tree-optimization/88828
3942         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3943         (simplify_vector_constructor): ...here.  Handle constants in
3944         the constructor.
3945
3946 2019-05-06  Richard Biener  <rguenther@suse.de>
3947
3948         PR tree-optimization/90328
3949         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3950         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3951         is valid in the loop nest before using it.
3952         (initialize_data_dependence_relation): Adjust.
3953         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3954         loop as loop-nest to dr_may_alias_p.
3955
3956 2019-05-06  Richard Biener  <rguenther@suse.de>
3957
3958         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3959
3960 2019-05-06  Richard Biener  <rguenther@suse.de>
3961
3962         PR tree-optimization/90316
3963         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3964         compute target on demand.
3965         (get_continuation_for_phi): Remove code walking stmts to
3966         get to a target virtual operand which could end up being
3967         quadratic.
3968
3969 2019-05-06  Martin Liska  <mliska@suse.cz>
3970
3971         PR sanitizer/90312
3972         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3973         when -mabi is selected to a non-default version.
3974
3975 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3976             Martin Liska  <mliska@suse.cz>
3977
3978         * Makefile.in: Add lto-dump.texi.
3979         * cgraph.h: Add new functions get_visibility_string and
3980         get_symtab_type_string.
3981         * doc/gcc.texi: Include lto-dump section.
3982         * doc/lto-dump.texi: New file.
3983         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3984         (parse_dump_option): Factor out this function.
3985         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3986         (parse_dump_option): Export the function.
3987         * symtab.c (symtab_node::get_visibility_string): New function.
3988         (symtab_node::get_symtab_type_string): Likewise.
3989
3990 2019-05-06  Martin Liska  <mliska@suse.cz>
3991
3992         * config/i386/i386-builtins.c: New file.
3993         * config/i386/i386-builtins.h: New file.
3994         * config/i386/i386-expand.c: New file.
3995         * config/i386/i386-expand.h: New file.
3996         * config/i386/i386-features.c: New file.
3997         * config/i386/i386-features.h: New file.
3998         * config/i386/i386-options.c: New file.
3999         * config/i386/i386-options.h: New file.
4000         * config.gcc: Add new files into extra_objs and
4001         target_gtfiles.
4002         * config/i386/i386.c: Split content of the file
4003         into newly introduced files.
4004         * config/i386/i386.h: Declare common variables
4005         and macros.
4006         * config/i386/t-i386: Define dependencies for new files.
4007
4008 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4009
4010         PR target/89400
4011         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4012         Restrict 'all' variant to 32-bit configurations.
4013         (unaligned_loadhiu): Likewise.
4014         (unaligned_storehi): Likewise.
4015         (unaligned_storesi): Likewise.
4016         (unaligned_loadhis): Disable when compiling for thumb1.
4017
4018 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4019
4020         PR tree-optimization/90269
4021         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4022         Ignore clobbers.
4023
4024 2019-05-03  Martin Liska  <mliska@suse.cz>
4025
4026         * hash-map.h: Add is_empty function.
4027         * hash-set.h: Likewise.
4028         * hash-table.h: Likewise.
4029         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4030         elements () == 0 (and similar usages).
4031         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4032         * gimplify.c (gimplify_bind_expr): Likewise.
4033         (gimplify_switch_expr): Likewise.
4034         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4035         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4036         * postreload-gcse.c (dump_hash_table): Likewise.
4037         (gcse_after_reload_main): Likewise.
4038         * predict.c (combine_predictions_for_bb): Likewise.
4039         * tree-parloops.c (reduction_phi): Likewise.
4040         (separate_decls_in_region): Likewise.
4041         (transform_to_exit_first_loop): Likewise.
4042         (gen_parallel_loop): Likewise.
4043         (gather_scalar_reductions): Likewise.
4044         (try_create_reduction_list): Likewise.
4045         * var-tracking.c (dump_vars): Likewise.
4046         (emit_notes_for_changes): Likewise.
4047         (vt_emit_notes): Likewise.
4048
4049 2019-05-03  Richard Biener  <rguenther@suse.de>
4050
4051         PR tree-optimization/90316
4052         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4053         before running VN.
4054
4055 2019-05-03  Richard Biener  <rguenther@suse.de>
4056
4057         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4058         peeling for gaps by loading only lower halves of vectors
4059         if possible.
4060         (vectorizable_load): Likewise.
4061
4062 2019-05-03  Richard Biener  <rguenther@suse.de>
4063
4064         PR middle-end/89518
4065         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4066
4067 2019-05-03  Richard Biener  <rguenther@suse.de>
4068
4069         PR middle-end/87314
4070         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4071         Handle STRING_CST vs DECL or STRING_CST.
4072
4073 2019-05-03  Richard Biener  <rguenther@suse.de>
4074
4075         PR tree-optimization/88963
4076         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4077         vector loads feeding only BIT_FIELD_REFs to component
4078         loads.  Rewrite stores fed by CONSTRUCTORs to component
4079         stores.
4080
4081 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4082
4083         * opts.h (finish_options): Remove lang_mask argument.
4084         (print_help, help_option_argument): Declare.
4085         * opts.c (print_help): Remove forward declaration, no longer static.
4086         (finish_options): Remove lang_mask argument, don't call print_help
4087         here.
4088         * opts-global.c (decode_options): Adjust finish_option caller, call
4089         print_help here.
4090
4091         PR tree-optimization/90303
4092         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4093         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4094
4095 2019-05-03  Richard Biener  <rguenther@suse.de>
4096
4097         PR tree-optimization/89698
4098         * gimple-fold.c (canonicalize_constructor_val): Early out
4099         for constants, handle unfolded INTEGER_CSTs as they appear in
4100         C++ virtual table ctors.
4101
4102 2019-05-03  Richard Biener  <rguenther@suse.de>
4103
4104         * passes.c (execute_function_todo): Remove dead code.
4105
4106 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4107
4108         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4109         the internal register number, for any "real" register.
4110
4111 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4112
4113         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4114         correct numbers for TFHAR, TFIAR, TEXASR.
4115
4116 2019-05-02  Richard Biener  <rguenther@suse.de>
4117
4118         PR tree-optimization/89653
4119         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4120         update-address-taken before the pass.
4121         * passes.def (pass_tree_loop_init): Put comment before it.
4122
4123 2019-05-02  Richard Biener  <rguenther@suse.de>
4124
4125         PR tree-optimization/89509
4126         * tree-ssa-structalias.c (compute_dependence_clique): Look
4127         at the first subvar when determining whether it is restrict.
4128
4129 2019-05-02  Richard Biener  <rguenther@suse.de>
4130
4131         PR tree-optimization/90273
4132         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4133         useless debug stmts.
4134
4135 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4136
4137         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4138         ACLE branch.
4139         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4140         SVE ACLE branch.
4141         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4142         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4143         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4144         (vectorizable_reduction): Use the functions above to vectorize in a
4145         fully masked loop codes that don't have a conditional internal
4146         function.
4147
4148 2019-05-02  Martin Liska  <mliska@suse.cz>
4149
4150         * cgraphclones.c: Call valid_attribute_p with 1 for
4151         target_clone.
4152         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4153         it's for target attribute.
4154         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4155         Add new boolean argument.
4156         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4157         Likewise.
4158         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4159         to ix86_valid_target_attribute_inner_p.
4160         (ix86_valid_target_attribute_p): Pass flags argument to
4161         ix86_valid_target_attribute_inner_p.
4162         (get_builtin_code_for_version): Use 0 as it's target attribute.
4163
4164 2019-05-02  Martin Liska  <mliska@suse.cz>
4165
4166         * gcc.c (process_command): Add dummy file only
4167         if n_infiles == 0.
4168         * opts-global.c (decode_options): Pass lang_mask.
4169         * opts.c (print_help): New function.
4170         (finish_options): Print --help if help_option_argument
4171         is set.
4172         (common_handle_option): Factor out content of OPT__help_
4173         into print_help.
4174         * opts.h (finish_options): Add new argument.
4175
4176 2019-05-02  Martin Liska  <mliska@suse.cz>
4177
4178         PR target/88809
4179         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4180         With -minline-all-stringops use inline expansion using 4B loop.
4181         * doc/invoke.texi: Document the change of
4182         -minline-all-stringops.
4183
4184 2019-05-01  Jeff Law  <law@redhat.com>
4185
4186         PR tree-optimization/88797
4187         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4188         PHI feeds a conditional on the RHS of an assignment.
4189
4190 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4191             Jim Wilson  <jimw@sifive.com>
4192
4193         * config/riscv/constraints.md (L): New.
4194         * config/riscv/predicates.md (lui_operand): New.
4195         (sfb_alu_operand): New.
4196         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4197         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4198         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4199         * config/riscv/risc.md (type): Add sfb_alu.
4200         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4201         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4202         (branch_zero<mode>): Delete.
4203         (mov<mode>cc): New.
4204         (mov<GPR:mode><X:mode>cc): Likewise.
4205         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4206
4207 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4208
4209         * tree.h (MARK_TS_EXP): New.
4210
4211 2019-04-30  Martin Liska  <mliska@suse.cz>
4212
4213         * opts.c (enable_warning_as_error): Provide hints
4214         for unknown options.
4215
4216 2019-04-30  Martin Liska  <mliska@suse.cz>
4217
4218         PR debug/90288
4219         * doc/invoke.texi: Add missing dash for gas-locview-support
4220         and gno-as-locview-support.
4221
4222 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4223
4224         PR target/89093
4225         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4226         whitespace at the start of target attribute string.
4227
4228 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4229
4230         PR target/86538
4231         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4232         Define __ARM_FEATURE_ATOMICS.
4233
4234 2019-04-30  Martin Liska  <mliska@suse.cz>
4235
4236         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4237         into built_in_function enum. Remove code for endp == 2 and
4238         use BUILT_IN_* constants.
4239         (gimple_fold_builtin): Call the function with fcode.
4240
4241 2019-04-30  Martin Liska  <mliska@suse.cz>
4242
4243         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4244         DECL_FUNCTION_CODE into ix86_builtins enum before
4245         the switch statement.
4246
4247 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4248
4249         PR tree-optimization/89475
4250         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4251         calls.
4252
4253 2019-04-30  Martin Liska  <mliska@suse.cz>
4254
4255         PR translation/90274
4256         * opts.c (print_filtered_help): Wrap string in _(...).
4257
4258 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4259
4260         PR tree-optimization/90240
4261         Revert:
4262         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4263
4264         PR tree-optimization/90078
4265         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4266         checks for infinite_cost overflow.
4267
4268 2019-04-29  Jeff Law  <law@redhat.com>
4269
4270         * passes.def: Move -Wrestrict pass after copy propagation.
4271
4272 2019-04-29  Maya Rashish  <coypu@sdf.org>
4273
4274         * config.gcc (default_gnu_indirect_function): Default to yes
4275         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4276         sparc*-*-netbsd*, x86_64-*-netbsd*.
4277
4278 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4279
4280         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4281         where cond2 is NE_EXPR.
4282         (is_value_included_in): Update comment.
4283
4284 2019-04-29  Richard Biener  <rguenther@suse.de>
4285
4286         PR tree-optimization/90278
4287         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4288         EH on comparison simplification.
4289
4290 2019-04-29  Jason Merrill  <jason@redhat.com>
4291
4292         PR c++/82081 - tail call optimization breaks noexcept
4293         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4294         nothrow function to a might-throw function into a tail call.
4295
4296 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4297
4298         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4299         (DDR_INNER_LOOP): Likewise.
4300         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4301         (initialize_data_dependence_relation): Likewise.
4302         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4303
4304 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4305
4306         PR rtl-optimization/90257
4307         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4308         return value.
4309
4310         Revert the revert:
4311         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4312
4313         PR target/90178
4314         Revert:
4315         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4316
4317         Revert the revert:
4318         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4319
4320         Revert:
4321         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4322
4323         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4324
4325 2019-04-29  Richard Biener  <rguenther@suse.de>
4326
4327         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4328         rhs issue a reset.
4329
4330 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4331
4332         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4333         varasm.h, and netbsd-protos.h.
4334
4335 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4336
4337         PR target/89261
4338         * config/i386/i386-protos.h (ix86_data_alignment): Change
4339         the second argument type to unsigned int.
4340         * config/i386/i386.c (ix86_data_alignment): Change "align"
4341         argument type to unsigned int.
4342
4343 2019-04-27  Martin Liska  <mliska@suse.cz>
4344
4345         PR middle-end/90258
4346         * opt-suggestions.c (option_proposer::build_option_suggestions):
4347         When get_valid_option_values returns empty values, add the
4348         misspelling candidate.
4349
4350 2019-04-26  Jim Wilson  <jimw@sifive.com>
4351
4352         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4353         parameter.
4354         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4355         Pass orig_mode to riscv_build_integer.
4356         (riscv_split_integer): Pass mode to riscv_move_integer.
4357         (riscv_legitimize_const_move): Likewise.
4358         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4359         promoted_mode.  Replace force_reg call with code to load constant into
4360         promoted reg and then subreg it for the store.
4361         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4362         riscv_move_integer.
4363
4364 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4365
4366         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4367         corrupt codes.
4368
4369 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4370
4371         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4372         commentary about the encoding of precision.
4373
4374 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4375
4376         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4377         * config/i386/t-freebsd64: New file.
4378         * config.gcc: Add the t-freebsd64 for multilib support.
4379
4380 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4381
4382         * doc/extend.texi (vector_size): Add missing comma after @xref.
4383
4384 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4385
4386         * BASE-VER: Set to 10.0.0.
4387
4388 2019-04-25  Richard Biener  <rguenther@suse.de>
4389
4390         PR middle-end/89765
4391         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4392         VIEW_CONVERT_EXPR into one operating on an rvalue.
4393
4394 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4395
4396         PR target/89929
4397         * config/i386/i386.c (feature_priority): Moved to file scope.
4398         (processor_features): Likewise.
4399         (processor_model): Likewise.
4400         (_arch_names_table): Likewise.
4401         (arch_names_table): Likewise.
4402         (_feature_list): Removed.
4403         (feature_list): Likewise.
4404         (_isa_names_table): Moved to file scope.  Add priority.
4405         (isa_names_table): Likewise.
4406         (get_builtin_code_for_version): Replace feature_list with
4407         isa_names_table.  Update error message for P_ZERO priority.
4408
4409 2019-04-25  Richard Biener  <rguenther@suse.de>
4410
4411         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4412         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4413
4414 2019-04-24  Jeff Law  <law@redhat.com>
4415
4416         PR tree-optimization/90037
4417         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4418         * passes.def: Replace all instance of phi-only cprop with the
4419         lattice propagator.  Move propagation pass from after erroneous
4420         path isolation to before erroneous path isolation.
4421         * tree-ssa-phionlycprop.c: Remove.
4422
4423 2019-04-24  Richard Biener  <rguenther@suse.de>
4424
4425         PR middle-end/90213
4426         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4427         by size and BITS_PER_UNIT on poly-wide-ints.
4428
4429 2019-04-25  Richard Biener  <rguenther@suse.de>
4430
4431         PR middle-end/90194
4432         * match.pd: Add pattern to simplify view-conversion of an
4433         empty constructor.
4434
4435 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4436
4437         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4438         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4439         for Go on 32 bit AIX.
4440         * config/rs6000/aix72.h: Likewise.
4441
4442 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4443
4444         PR target/90193
4445         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4446         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4447
4448 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4449
4450         PR target/89952
4451         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4452         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4453         for restored hard frame pointer.
4454         (s390_sched_dependencies_evaluation): Implement new target hook.
4455         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4456
4457 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4458
4459         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4460         * config/arc/arc.c (arc_init): Cleanup warning message.
4461         (arc_override_options): Likewise.
4462
4463 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4464
4465         PR target/90187
4466         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4467         a register if both if_true and if_false are MEMs.
4468
4469         PR tree-optimization/90208
4470         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4471         after labels of new_bb, not before them.
4472
4473         PR tree-optimization/90211
4474         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4475         which are not SSA_NAMEs.
4476
4477 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4478
4479         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4480         AArch64.
4481         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4482
4483 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4484
4485         PR rtl-optimization/87979
4486         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4487         not equal zero.
4488
4489 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4490
4491         PR rtl-optimization/84032
4492         * modulo-sched.c (ps_insn_find_column): Change condition so that
4493         branch will always be the last insn in a row inside partial
4494         schedule.
4495
4496 2019-04-23  Richard Biener  <rguenther@suse.de>
4497
4498         PR debug/90131
4499         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4500         dest_single_pred_p argument.
4501         (remove_forwarder_block): Adjust.
4502         (remove_forwarder_block_with_phi): Likewise.
4503
4504 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4505             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4506             Jakub Jelinek  <jakub@redhat.com>
4507
4508         PR target/89093
4509         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4510         if used with general-regs-only.
4511         (arm_conditional_register_usage): Don't add non-general regs if
4512         general-regs-only.
4513         (arm_valid_target_attribute_rec): Handle general-regs-only.
4514         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4515         general-regs-only.
4516         (TARGET_HARD_FLOAT_SUB): Define.
4517         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4518         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4519         (TARGET_REALLY_IWMMXT2): Likewise.
4520         * config/arm/arm.opt: Add -mgeneral-regs-only.
4521         * doc/extend.texi: Document ARM general-regs-only target.
4522         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4523
4524 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4525
4526         PR tree-optimization/90078
4527         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4528         checks for infinite_cost overflow.
4529
4530 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4531
4532         PR tree-optimization/90021
4533         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4534         and check univariate against it.
4535         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4536         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4537
4538 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4539
4540         PR target/90178
4541         Revert:
4542         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4543
4544         Revert the revert:
4545         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4546
4547         Revert:
4548         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4549
4550         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4551
4552 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4553
4554         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4555         names using operand format, rather than hard-wired.
4556         (speculation_barrier): Likewise.
4557
4558 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4559
4560         PR tree-optimization/88055
4561         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4562         (gen_one_condition): Use it if !HONOR_NANS.
4563
4564 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4565
4566         PR middle-end/90139
4567         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4568         assign_temp instead of gen_reg_rtx.
4569
4570 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4571
4572         PR translation/90118
4573         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4574         Add missing space before %<.
4575
4576 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4577
4578         PR rtl-optimization/87871
4579         * ira-lives.c (make_object_dead): Don't add conflicts to
4580         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4581
4582 2019-04-18  Martin Sebor  <msebor@redhat.com>
4583
4584         PR middle-end/89797
4585         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4586         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4587         assuming type size fits in SHWI.
4588
4589 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4590
4591         PR ipa/85051
4592         * ipa-inline.c (flatten_function): New parameter UPDATE.
4593         (ipa_inline, early_inliner): Use it.
4594
4595 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4596
4597         * fold-const.c (int_const_binop): Return early on failure.
4598
4599 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4600
4601         PR middle-end/85164
4602         * combine.c (force_int_to_mode): Cast the argument rather than
4603         the result of known_alignment.
4604         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4605
4606 2019-04-18  Richard Biener  <rguenther@suse.de>
4607
4608         PR debug/90131
4609         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4610         out from ...
4611         (remove_forwarder_block): ... here.
4612         (remove_forwarder_block_with_phi): Also move debug stmts here.
4613
4614 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4615
4616         PR translation/79183
4617         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4618         inform where appropriate.
4619
4620 2019-04-18  Richard Biener  <rguenther@suse.de>
4621
4622         * tree.c (get_qualified_type): Put found type variants at the
4623         head of the variant list.
4624
4625 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4626
4627         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4628
4629 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4630
4631         PR target/90125
4632         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4633         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4634         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4635         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4636         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4637
4638 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4639
4640         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4641         even for allocno's with no conflicts.
4642         (print_conflicts): Print an extra newline.
4643
4644 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4645
4646         * auto-inc-dec.c (attempt_change): Set the alignment of the
4647         temporary memory to that of the original.
4648
4649 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4650
4651         * targhooks.c (default_print_patchable_function_entry): Emit
4652         __patchable_function_entries section with writable flags to allow
4653         relocation resolution.
4654
4655 2019-04-17  Jonny Grant  <jg@jguk.org>
4656
4657         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4658
4659 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4660
4661         PR middle-end/90095
4662         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4663         on lowpart SUBREGs.
4664
4665 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4666
4667         * config/arc/arc.c (arc_init): Format diagnostic string.
4668         (arc_override_options): Likewise.
4669         (check_if_valid_regno_const): Likewise.
4670         (arc_reorg): Likewise.
4671
4672 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4673
4674         PR target/17108
4675         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4676         name.
4677         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4678         name.
4679         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4680         (*movdi_update1): Use Pmode.
4681         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4682         (movdi_<mode>_update_stack): Rename to ...
4683         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4684         use Pmode.
4685         (*movsi_update1): Use Pmode.
4686         (*movsi_update2): Use Pmode.
4687         (movsi_update): Rename to ...
4688         (movsi_<mode>_update): ... this.  Use Pmode.
4689         (movsi_update_stack): Fix condition.
4690         (*movhi_update1): Use Pmode.  Fix argument to
4691         avoiding_indexed_address_p.
4692         (*movhi_update2): Ditto.
4693         (*movhi_update3): Ditto.
4694         (*movhi_update4): Ditto.
4695         (*movqi_update1): Ditto.
4696         (*movqi_update2): Ditto.
4697         (*movqi_update3): Ditto.
4698         (*movsf_update1, *movdf_update1): Merge, rename to...
4699         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4700         avoiding_indexed_address_p.  Add "size" attribute.
4701         (*movsf_update2, *movdf_update2): Merge, rename to...
4702         (*mov<mode>_update2): This.  Ditto.
4703         (*movsf_update3): Use Pmode.  Fix argument to
4704         avoiding_indexed_address_p.
4705         (*movsf_update4): Ditto.
4706         (allocate_stack): Simplify condition.  Adjust pattern names.
4707
4708 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4709
4710         PR target/89093
4711         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4712         whitespace at the start of target attribute string.
4713
4714 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4715
4716         PR target/84369
4717         * config/rs6000/power9.md: Add store forwarding bypass.
4718
4719 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4720
4721         PR debug/89528
4722         * valtrack.c (dead_debug_insert_temp): Reset debug references
4723         to the return value of a call being removed.
4724
4725 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4726
4727         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4728         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4729         implement target hook.
4730         (arc_memory_move_cost): New function.
4731         (TARGET_REGISTER_MOVE_COST): Define.
4732         (TARGET_MEMORY_MOVE_COST): Likewise.
4733         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4734         (MEMORY_MOVE_COST): Likewise.
4735
4736 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4737
4738         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4739         (sibcall_value_insn): Likewise.
4740         * config/arc/constraints.md (Rs5): Remove.
4741
4742 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4743
4744         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4745         for last two fake registers.
4746         (arc_conditional_register_usage): Make sure fake frame and arg
4747         pointer regs are in general regs class.
4748         (FRAME_POINTER_MASK): Remove.
4749         (RETURN_ADDR_MASK): Remove.
4750         (arc_must_save_register): Use hard frame regnum.
4751         (frame_restore_reg): Use hard_frame_pointer_rtx.
4752         (arc_save_callee_saves): Likewise.
4753         (arc_restore_callee_saves): Likewise.
4754         (arc_save_callee_enter): Likewise.
4755         (arc_restore_callee_leave): Likewise.
4756         (arc_save_callee_milli): Likewise.
4757         (arc_eh_return_address_location): Likewise.
4758         (arc_check_multi): Use hard frame regnum.
4759         (arc_can_eliminate): Likewise.
4760         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4761         for register allocator.
4762         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4763         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4764         (FRAME_POINTER_REGNUM): Change it to a fake register.
4765         (HARD_FRAME_POINTER_REGNUM): Defined.
4766         (ARG_POINTER_REGNUM): Change it to a new fake register.
4767         (ELIMINABLE_REGS): Update.
4768         (REGISTER_NAMES): Update names.
4769         * config/arc/arc.md (LP_START): Remove.
4770         (LP_END): Likewise.
4771         (shift_si3_loop): Update pattern.
4772
4773 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4774
4775         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4776         to avoid delay slot scheduling.
4777         (arc_must_save_register): Don't save SP.
4778         * config/arc/arc.md (stack_tie): Remove.
4779         (UNSPEC_ARC_STKTIE): Likewise.
4780
4781 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4782             Shiva Chen  <shiva0217@gmail.com>
4783
4784         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4785         code gen with large shift amount.
4786
4787 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4788
4789         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4790         subreg.
4791
4792 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4793
4794         PR target/90096
4795         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4796         print -m64/-mx32/-m32 if it is true.
4797         (ix86_debug_options, ix86_function_specific_print): Pass true as
4798         ADD_ABI_P to ix86_target_string.
4799         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4800         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4801         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4802
4803         PR rtl-optimization/90082
4804         * dce.c (can_delete_call): New function.
4805         (deletable_insn_p, mark_insn): Use it.
4806
4807         PR tree-optimization/90090
4808         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4809         throw internally.
4810         (is_division_by_square): Likewise.  Formatting fix.
4811
4812 2019-04-16  Richard Biener  <rguenther@suse.de>
4813
4814         PR tree-optimization/56049
4815         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4816         equality check if alias-set zero will prevail.
4817
4818 2019-04-15  Jeff Law  <law@redhat.com>
4819
4820         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4821         size and alignment as unsigned.
4822
4823 2019-04-15  Richard Biener  <rguenther@suse.de>
4824
4825         PR debug/90074
4826         * tree-loop-distribution.c (destroy_loop): Preserve correct
4827         debug info.
4828
4829 2019-04-15  Richard Biener  <rguenther@suse.de>
4830
4831         PR tree-optimization/90071
4832         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4833         abnormal operands from def stmts.
4834
4835 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4836
4837         PR rtl-optimization/89794
4838         * combine.c (count_auto_inc): New function.
4839         (try_combine): Count how many auto_inc expressions there were in the
4840         original instructions.  Ensure we have the same number in the new
4841         instructions.  Remove the code that tried to ensure auto_inc side
4842         effects on i1 and i0 are not lost.
4843
4844 2019-04-15  Richard Biener  <rguenther@suse.de>
4845
4846         PR ipa/88936
4847         * tree.h (auto_var_p): Declare.
4848         * tree.c (auto_var_p): New function, split out from ...
4849         (auto_var_in_fn_p): ... here.
4850         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4851         member.
4852         (new_var_info): Initialize it.
4853         (set_uids_in_ptset): Also set the shadow variable uid if required.
4854         (ipa_pta_execute): Postprocess points-to solutions assigning
4855         shadow variable uids for locals that may reach their containing
4856         function recursively.
4857         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4858         assert but instead check whether the points-to solution is
4859         a singleton.
4860
4861 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4862
4863         PR ipa/pr89693
4864         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4865         the thunk chain.
4866
4867 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4868
4869         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4870
4871 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4872             Kito Cheng  <kito.cheng@gmail.com>
4873             Shiva Chen  <shiva0217@gmail.com>
4874
4875         * config/nds32/nds32-md-auxiliary.c
4876         (nds32_legitimize_pic_address): Use new PIC pattern.
4877         (nds32_legitimize_tls_address): Use new TLS pattern.
4878         (nds32_output_symrel): New.
4879         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4880         (nds32_alloc_relax_group_id): Ditto.
4881         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4882         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4883         relax_group_id.
4884         (nds32_group_tls_insn): Ditto.
4885         (nds32_group_float_insns): Ditto.
4886         * config/nds32/nds32.md (tls_le): New.
4887         (sym_got): Ditto.
4888
4889 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4890
4891         * configure: Add nds32 target for dwarf2 debug_line checking.
4892         * configure.ac: Regenerated.
4893
4894 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4895
4896         PR lto/89358
4897         * ipa-devirt.c (skip_in_fields_list_p): New.
4898         (odr_types_equivalent_p): Use it.
4899
4900 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4901
4902         PR target/89093
4903         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4904         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4905
4906 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4907
4908         * doc/install.texi: Document --with-target-system-zlib.
4909
4910 2019-04-12  Martin Sebor  <msebor@redhat.com>
4911
4912         PR c/88383
4913         PR c/89288
4914         PR c/89798
4915         PR c/89797
4916         * targhooks.c (default_vector_alignment): Avoid assuming
4917         argument fits in SHWI.
4918         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4919         a shift expression.
4920         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4921
4922 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4923
4924         PR rtl-optimization/89965
4925         * dce.c: Include rtl-iter.h.
4926         (struct check_argument_load_data): New type.
4927         (check_argument_load): New function.
4928         (find_call_stack_args): Check for loads from stack slots still tracked
4929         in sp_bytes and punt if any is found.
4930
4931         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4932
4933 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4934
4935         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4936         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4937
4938 2019-04-12  Martin Liska  <mliska@suse.cz>
4939
4940         PR middle-end/89970
4941         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4942         in error message.
4943         (separate_attrs): Handle multiple 'default's.
4944         (expand_target_clones): Rework error handling code.
4945
4946 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4947
4948         PR target/87532
4949         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4950         mode of vector rather than mode of destination for move instruction.
4951         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4952         Use QI inner mode with V16QI vector mode.
4953
4954 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4955
4956         PR target/52726
4957         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4958         "invalid %%t operand" in output_operand_lossage message.
4959
4960 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4961
4962         * config/s390/predicates.md (permute_pattern_operand): New
4963         predicate.
4964         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4965         operand for the permute pattern.
4966         ("*vec_perm<mode>"): New insn definition.
4967         ("bswap<mode>"): Generate the permute pattern operand in the
4968         expander and perform the operand reloads for pre arch13 level
4969         already.
4970         ("*bswap<mode>_emu"): Rename to ...
4971         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4972         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4973         Add the USE operand for the permute pattern.
4974         ("*vec_set_bswap_vec<mode>"): Likewise.
4975
4976 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4977
4978         PR c/89946
4979         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4980         and gcc_unreachable if it fails, just call tree_to_uhwi which
4981         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4982         Start warning message with a lower-case letter.  Formatting fixes.
4983
4984         PR rtl-optimization/90026
4985         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4986         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4987         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4988         in cfglayout mode, use emit_barrier_after_bb.
4989
4990 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4991
4992         PR rtl-optimization/87763
4993         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4994         New Instruction.
4995
4996 2019-04-11  Tom de Vries  <tdevries@suse.de>
4997
4998         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4999         max macro using statement expression.
5000
5001 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5002
5003         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5004         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5005         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5006         read_only_private_data_section using xcoff_private_rodata_section_name.
5007         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5008
5009 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5010
5011         PR target/90016
5012         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5013
5014 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5015
5016         PR rtl-optimization/89965
5017         * dce.c (sp_based_mem_offset): New function.
5018         (find_call_stack_args): Use sp_based_mem_offset.
5019
5020 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5021
5022         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5023
5024 2019-04-11  Richard Biener  <rguenther@suse.de>
5025
5026         PR tree-optimization/90020
5027         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5028         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5029         * tree-ssa-pre.c (compute_avail): Use it to not put
5030         possibly trapping references after a call that might not
5031         return into EXP_GEN.
5032         * gcse.c (compute_hash_table_work): Do not elide
5033         marking a block containing a call if the call might not
5034         return.
5035
5036 2019-04-11  Richard Biener  <rguenther@suse.de>
5037
5038         PR tree-optimization/90018
5039         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5040         Test both SLP and interleaving variants.
5041
5042 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5043
5044         * config/s390/8561.md: New file.
5045         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5046         Add arch13 cpu model.
5047         * config/s390/s390-opts.h (enum processor_type): Likewise.
5048         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5049         (s390_get_unit_mask): Likewise.
5050         (s390_is_fpd): Likewise.
5051         (s390_is_fxd): Likewise.
5052         * config/s390/s390.h (s390_tune_attr): Likewise.
5053         * config/s390/s390.md: Include arch13 pipeline description.
5054         * config/s390/s390.opt: Add arch13.
5055
5056 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5057
5058         PR rtl-optimization/87763
5059         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5060         New prototype.
5061         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5062         New function.
5063         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5064         New instruction.
5065         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5066         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5067         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5068         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5069
5070 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5071
5072         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5073         "Although" in -fipa-icf documentation.
5074
5075         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5076         of using multiple -g options.
5077
5078 2019-04-10  Martin Liska  <mliska@suse.cz>
5079
5080         PR gcov-profile/89959
5081         * doc/gcov.texi: Make documentation of -x option
5082         more precise.
5083
5084 2019-04-10  Richard Biener  <rguenther@suse.de>
5085
5086         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5087         member.
5088         (DR_GROUP_SAME_DR_STMT): Remove.
5089         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5090         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5091         replace with assert.
5092         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5093         (vect_record_grouped_load_vectors): Remove unreachable code.
5094
5095 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5096
5097         PR target/90016
5098         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5099         obsolete reference to N.
5100
5101 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5102
5103         PR middle-end/90025
5104         * expr.c (store_expr): Set properly size on the MEM passed to
5105         clear_storage.
5106
5107         PR c++/90010
5108         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5109         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5110         translation is needed, and when translation is needed, only append
5111         ... if the string length is hostsz or more bytes long.  Avoid using
5112         strncpy or strcat.
5113
5114 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5115
5116         PR target/90024
5117         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5118         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5119         into three.
5120         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5121         differences directly.
5122         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5123
5124 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5125
5126         PR translation/90011
5127         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5128         from diagnostics.
5129         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5130         diagnostics.
5131         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5132         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5133         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5134         trailing space from -gsplit-dwarf diagnostics.
5135
5136         PR tree-optimization/89998
5137         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5138         instead of integer_type_node if possible, don't add ranges if return
5139         type is not compatible with int.
5140         * gimple-fold.c (gimple_fold_builtin_sprintf,
5141         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5142         integer_type_node.
5143
5144 2019-04-09  Martin Liska  <mliska@suse.cz>
5145
5146         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5147         * doc/install.texi: Document the new config.
5148
5149 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5150
5151         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5152         use gimple_expr_type for load and store calls.  Skip over the
5153         condition argument in a conditional internal function.
5154         Protect use of TREE_INT_CST_LOW.
5155
5156 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5157
5158         PR target/90015
5159         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5160         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5161         trailing period from it too.
5162
5163 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5164
5165         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5166         * config/aarch64/aarch64.md : Add "tsv110.md"
5167         * config/aarch64/tsv110.md: New file.
5168
5169 2019-04-08  Richard Biener  <rguenther@suse.de>
5170
5171         PR tree-optimization/90006
5172         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5173         calls like lrint.
5174
5175 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5176
5177         PR target/83033
5178         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5179         construction.
5180         (fma_root_node): Likewise.
5181         (func_fma_steering): Likewise.
5182
5183 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5184
5185         PR rtl-optimization/89865
5186         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5187
5188         PR rtl-optimization/89865
5189         * config/i386/i386.md
5190         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5191         numbers not to clash with the additional operands[4].
5192         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5193         with extra register copy in the middle.
5194
5195 2019-04-08  Martin Liska  <mliska@suse.cz>
5196
5197         PR gcov-profile/89961
5198         * doc/gcov.texi: Document data_file.
5199         * gcov.c (generate_results): Add data_info into JSON output.
5200
5201 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5202
5203         PR tree-optimization/89725
5204         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5205         loop's chrec as invariant symbol.
5206         * tree-chrec.h (chrec_contains_symbols): New parameter.
5207         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5208         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5209         function of loops not in DDR's loop_nest.
5210         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5211
5212 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5213
5214         PR target/89623
5215         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5216         Mask.
5217
5218 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5219
5220         PR target/89945
5221         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5222         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5223
5224 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5225
5226         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5227         targetm.fixed_condition_code_regs.
5228
5229 2019-04-05  Richard Biener  <rguenther@suse.de>
5230
5231         PR debug/89892
5232         PR debug/89905
5233         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5234         debug bind stmts but reset them if they are not valid at the
5235         destination.
5236
5237 2019-04-05  Martin Liska  <mliska@suse.cz>
5238
5239         PR translation/89936
5240         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5241         order to wrap keywords or arguments.
5242         * collect2.c (main): Likewise.
5243         (scan_prog_file): Likewise.
5244         (scan_libraries): Likewise.
5245         * common/config/riscv/riscv-common.c
5246         (riscv_subset_list::parsing_subset_version): Likewise.
5247         (riscv_subset_list::parse_std_ext): Likewise.
5248         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5249         Likewise.
5250         * config/arm/arm.c (arm_option_override): Likewise.
5251         * config/cris/cris.c (cris_print_operand): Likewise.
5252         * config/darwin-c.c (darwin_pragma_options): Likewise.
5253         (darwin_pragma_unused): Likewise.
5254         (darwin_pragma_ms_struct): Likewise.
5255         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5256         * config/i386/i386.c (print_reg): Likewise.
5257         (ix86_print_operand): Likewise.
5258         * config/i386/xm-djgpp.h: Likewise.
5259         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5260         * config/m32c/m32c.c (m32c_option_override): Likewise.
5261         * config/msp430/msp430.c (msp430_option_override): Likewise.
5262         * config/nds32/nds32.c (nds32_option_override): Likewise.
5263         * config/nvptx/mkoffload.c (main): Likewise.
5264         * config/rx/rx.c (rx_print_operand): Likewise.
5265         (valid_psw_flag): Likewise.
5266         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5267         (vms_pragma_nomember_alignment): Likewise.
5268         (vms_pragma_extern_model): Likewise.
5269         * lto-wrapper.c (compile_offload_image): Likewise.
5270         * omp-offload.c (oacc_parse_default_dims): Likewise.
5271         * symtab.c (symtab_node::verify_base): Likewise.
5272         * tlink.c (recompile_files): Likewise.
5273         (start_tweaking): Likewise.
5274         * tree-profile.c (parse_profile_filter): Likewise.
5275
5276 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5277
5278         PR tree-optimization/89956
5279         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5280         multiple negates of the same value.
5281
5282 2019-04-04  Martin Sebor  <msebor@redhat.com>
5283
5284         PR middle-end/89957
5285         PR middle-end/89911
5286         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5287         have the same precision since the function crashes otherwise.
5288         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5289         has non-zero arguments.
5290
5291 2019-04-04  Martin Sebor  <msebor@redhat.com>
5292
5293         PR middle-end/89934
5294         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5295         out if the number of arguments is less than expected.
5296
5297 2019-04-04  Jeff Law  <law@redhat.com>
5298
5299         PR rtl-optimization/89399
5300         * ree.c (combine_set_extension): Use single_set rather than
5301         digging into PATTERN for items on the candidate list.
5302         (combine_reaching_defs): Likewise.
5303
5304 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5305
5306         PR rtl-optimization/46590
5307         * loop-invariant.c (find_defs): Move df_remove_problem and
5308         df_process_deferred_rescans to move_invariants.
5309         Move df_live_add_problem and df_live_set_all_dirty calls
5310         to move_invariants.
5311         (move_invariants): Likewise.
5312         (move_loop_invariants): Likewise, making the df_live calls
5313         conditional on -O.  Remove the problem again if we added it
5314         locally.
5315
5316 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5317
5318         PR tree-optimization/89730
5319         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5320         -flive-patching=inline-only-static.
5321         (can_inline_edge_by_limits_p): Add the checking for
5322         -flive-patching=inline-only-static and grant always_inline
5323         even when -flive-patching=inline-only-static is specified.
5324
5325 2019-04-03  Jeff Law  <law@redhat.com>
5326
5327         PR rtl-optimization/81025
5328         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5329
5330 2019-04-03  Richard Biener  <rguenther@suse.de>
5331
5332         PR tree-optimization/84101
5333         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5334         regs.h for hard_regno_nregs.
5335         (cfun_returns): New helper.
5336         (vect_model_store_cost): When vectorizing a store to a decl
5337         we return and the function ABI returns in a multi-reg location
5338         account for the possible spilling that will happen.
5339
5340 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5341
5342         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5343         displacement addresses for vector mode operands.
5344
5345 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5346
5347         * config/arc/arc.c (GMASK_LEN): Define.
5348         (arc_restore_callee_saves): Restore first blink when
5349         !optimize_size.
5350
5351 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5352
5353         * doc/extend.texi: Add deprecated comment on sign-return-address
5354         function attribute and add mbranch-protection.
5355         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5356
5357 2019-04-03  Richard Biener  <rguenther@suse.de>
5358
5359         PR lto/89896
5360         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5361         the all target phony.
5362
5363 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5364
5365         PR target/89902
5366         PR target/89903
5367         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5368         Return false for variable DImode shifts.
5369         (dimode_scalar_chain::compute_convert_gain): Do not handle
5370         register count operand in variable DImode shifts.
5371         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5372         count argument of a variable shift instruction to a vector register.
5373         (dimode_scalar_chain::convert_reg): Remove support to convert
5374         count argument of a variable shift instruction.
5375
5376 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5377
5378         PR rtl-optimization/84206
5379         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5380         iterating over loop headers.
5381
5382 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5383
5384         PR rtl-optimization/85876
5385         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5386         beyond the original fence.
5387
5388 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5389
5390         * config.gcc: Mark spu* targets as deprecated/obsolete.
5391
5392 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5393
5394         * config/s390/s390-builtin-types.def: New builtin function type
5395         definitions. Remove unused types.
5396         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5397         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5398         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5399         overloaded builtins.
5400         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5401         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5402         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5403         (vec_double, vec_signed, vec_unsigned): Define to use the new
5404         overloaded builtins.
5405         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5406         Remove expanders.
5407
5408 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5409
5410         * config/s390/s390-builtin-types.def: New builtin function type
5411         definitions.
5412         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5413         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5414         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5415         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5416         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5417         constant definitions.
5418         * config/s390/vecintrin.h (vec_search_string_cc)
5419         (vec_search_string_until_zero_cc): New builtin name definitions.
5420         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5421         expanders.
5422         ("vec_vstrs<mode>"): New insn definition.
5423
5424 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5425
5426         * config/s390/s390-builtin-types.def: Add new builtin function
5427         types.
5428         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5429         New overloaded builtins.
5430         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5431         s390_vsrd.
5432         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5433         (UNSPEC_VEC_SLDBYTE): ... this.
5434         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5435         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5436         definitions.
5437         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5438         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5439         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5440
5441 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5442
5443         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5444         New insn definition.
5445         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5446         * config/s390/vector.md (V_HW_HSD): ... here.
5447
5448 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5449
5450         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5451         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5452         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5453         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5454         New insn definitions.
5455
5456 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5457
5458         * config/s390/s390-builtin-types.def: Add new builtin function type.
5459         * config/s390/s390-builtins.def: Add overloaded builtin
5460         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5461         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5462         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5463         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5464         ("eltswap<mode>"): New expander.
5465         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5466         insn definitions.
5467
5468 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5469
5470         * config/s390/s390-builtin-types.def: Add new builtin function types.
5471         * config/s390/s390-builtins.def: Add overloaded builtin
5472         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5473         instructions.
5474         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5475         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5476         ("bswap<mode>"): New expander.
5477         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5478
5479 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5480
5481         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5482         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5483         vector builtin version number in __VEC__.
5484
5485 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5486
5487         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5488         iterators.
5489         (SFSI): New mode attribute.
5490         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5491         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5492         rename to ...
5493         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5494         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5495         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5496         ("floatsi<mode>2"): Add wcefb instruction.
5497
5498 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5499
5500         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5501         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5502         mode iterators.
5503         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5504         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5505         support 32 bit fp-int conversions. Rename to ...
5506         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5507         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5508         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5509         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5510         ... to these.
5511
5512 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5513
5514         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5515         if-then-else constructs if we can use the select instruction.
5516         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5517
5518 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5519
5520         * config/s390/s390.md ("*popcountdi_arch13_cc")
5521         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5522         definition.
5523         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5524         Append _z196 to make it ...
5525         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5526         ("popcounthi2_z196"): ... this.
5527         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5528         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5529
5530 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5531
5532         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5533         certain compares for arch13 in order to make use of the condition
5534         code result produced by the new instructions.
5535         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5536         nxrk, and nxgrk instruction patterns.
5537         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5538         (inv_no): Add new code iterator together with some attributes.
5539         ("*andc_split_<mode>"): Disable splitter for arch13.
5540         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5541         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5542         ("*<ANDOR:bitops_name>c<GPR:mode>")
5543         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5544         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5545         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5546         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5547
5548 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5549
5550         * common/config/s390/s390-common.c (processor_flags_table): New
5551         entry for arch13.
5552         * config.gcc: Support arch13 with the --with-arch= configure flag.
5553         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5554         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5555         * config/s390/s390.c (s390_get_sched_attrmask)
5556         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5557         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5558         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5559         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5560         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5561         definitions.
5562         * config/s390/s390.opt: Support arch13 as processor type in
5563         command line options.
5564
5565 2019-04-02  Martin Liska  <mliska@suse.cz>
5566
5567         PR translation/89912
5568         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5569         Fix param description of graphite-max-arrays-per-scop.
5570
5571 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5572
5573         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5574         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5575         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5576
5577 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5578
5579         PR rtl-optimization/85412
5580         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5581         sel_sched_region_1, not after.
5582
5583 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5584
5585         PR rtl-optimization/86928
5586         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5587         compute_live if necessary.
5588         (sel_redirect_edge_and_branch): Likewise.
5589
5590 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5591
5592         PR rtl-optimization/89865
5593         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5594         register if it is a part of small class.
5595
5596 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5597
5598         PR rtl-optimization/87273
5599         * sel-sched-ir.c (merge_fences): Remove assert.
5600
5601 2019-04-01  Richard Biener  <rguenther@suse.de>
5602
5603         PR tree-optimization/46590
5604         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5605         (dom_walker::m_reachability): Add in place of...
5606         (dom_walker::m_skip_unreachable_blocks): ...this.
5607         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5608         Move complex initialization ...
5609         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5610         lazily and initialize edge flags on each invocation.
5611         (dom_walker::bb_reachable): Use m_reachability.
5612
5613 2019-04-01  Martin Liska  <mliska@suse.cz>
5614
5615         PR driver/89861
5616         * opt-suggestions.c (option_proposer::build_option_suggestions):
5617         Add variant without any argument in order to provide better
5618         hints.
5619
5620 2019-04-01  Richard Biener  <rguenther@suse.de>
5621
5622         PR c/71598
5623         * gimple.c: Include langhooks.h.
5624         (gimple_get_alias_set): Treat enumeral types as the underlying
5625         integer type.
5626
5627 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5628             Eric Botcazou  <ebotcazou@adacore.com>
5629
5630         PR rtl-optimization/89862
5631         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5632         that operates on the full registers for WORD_REGISTER_OPERATIONS
5633         architectures.
5634
5635 2019-03-29  Jim Wilson  <jimw@sifive.com>
5636
5637         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5638         Clear MASK_RVC and then set if C subset supported.
5639
5640 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5641
5642         PR c/89872
5643         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5644         non-addressable complit into its initializer if it is volatile.
5645
5646 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5647
5648         * opts-common.c (integral_argument): Set errno properly in one case.
5649
5650 2019-03-29  Martin Liska  <mliska@suse.cz>
5651
5652         * doc/invoke.texi: Remove -Wchkp from documentation.
5653
5654 2019-03-29  Martin Liska  <mliska@suse.cz>
5655
5656         * dbgcnt.c (print_limit_reach): New function.
5657         (dbg_cnt): Use it.
5658
5659 2019-03-29  Martin Liska  <mliska@suse.cz>
5660
5661         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5662         (dbg_cnt_process_opt): Parse first tokens aas
5663         dbg_cnt_process_single_pair is also using strtok.
5664
5665 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5666
5667         PR rtl-optimization/87485
5668         * function.c (expand_function_end): Move stack_protect_epilogue
5669         before loading of return value into hard register(s).
5670
5671 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5672
5673         PR middle-end/89621
5674         * tree-inline.h (struct copy_body_data): Add
5675         dont_remap_vla_if_no_change flag.
5676         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5677         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5678         and remap_type_2 returns false.
5679         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5680         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5681         only from where it is copied to nested contexts.
5682
5683 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5684
5685         PR target/89865
5686         * config/i386/i386.md (RMW operation with LEA peephole):
5687         Use LEAMODE mode attribute instead of SWI mode iterator for
5688         LEA pattern.
5689
5690 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5691
5692         PR target/89848
5693         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5694         Also process XEXP (src, 0) of a shift insn.
5695
5696 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5697
5698         PR middle-end/89725
5699         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5700         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5701
5702 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5703
5704         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5705         test.
5706         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5707         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5708         immediately after first one with df_analyze in between, but rather
5709         process all bbs, queueing ones that need second pass in a worklist,
5710         df_analyze, process queued debug insn changes and if second pass is
5711         needed, process bbs from worklist, df_analyze, process queued debug
5712         insns again.
5713
5714         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5715         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5716         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5717
5718 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5719
5720         PR c/79022
5721         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5722         definition.
5723
5724 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5725
5726         PR target/85667
5727         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5728         function for 32-bit MS_ABI.
5729         (function_value_ms_32): New function.
5730
5731 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5732
5733         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5734         (movdi): Call gen_movdi_symbol_save_scc.
5735         (gen_movdi_symbol_save_scc): New insn and split.
5736
5737 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5738
5739         PR rtl-optimization/89313
5740         * function.c (matching_constraint_num): New static function.
5741         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5742         Don't replace inputs with non-matching constraints which conflict
5743         with early clobber outputs.
5744
5745 2019-03-27  Jeff Law  <law@redhat.com>
5746
5747
5748         PR rtl-optimization/87761
5749         PR rtl-optimization/89826
5750         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5751         slightly later.
5752         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5753         note problem to get REG_DEAD/REG_UNUSED notes updated.
5754
5755 2019-03-27  Richard Biener  <rguenther@suse.de>
5756
5757         PR tree-optimization/89463
5758         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5759         queue edges to remove.
5760         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5761         dead stmts.  Delay edge removal until PHIs are removed to
5762         make debug-stmt creation not confused by seemingly degenerate
5763         PHIs.
5764
5765 2019-03-27  Alan Modra  <amodra@gmail.com>
5766
5767         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5768         throughout file.
5769         * config/rs6000/darwin.h: Likewise.
5770         * config/rs6000/rs6000.c: Likewise.
5771
5772 2019-03-27  Alan Modra  <amodra@gmail.com>
5773
5774         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5775         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5776
5777 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5778             Jim Wilson  <jimw@sifive.com>
5779
5780         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5781         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5782         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5783         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5784         (generic_alu): Add auipc to type list.
5785         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5786         (riscv_microarchitecture): Declare.
5787         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5788         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5789         field.
5790         (riscv_microarchitecture): New.
5791         (sifive_7_tune_info): New.
5792         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5793         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5794         entries.
5795         (riscv_store_data_bypass_p): New.
5796         (riscv_option_override): Set riscv_microarchitecture from
5797         cpu->microarchitecture.
5798         * config/riscv/riscv.md: Include sifive-7.md.
5799         (type): Add auipc.
5800         (tune): New.
5801         (auipc<mode>): Change type to auipc.
5802         (restore_stack_nonlocal): New.
5803         * config/riscv/sifive-7.md: New.
5804         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5805
5806 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5807
5808         PR target/89827
5809         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5810         Also process XEXP (src, 0) of a shift insn.
5811
5812 2019-03-26  Richard Biener  <rguenther@suse.de>
5813
5814         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5815         (copy_debug_stmt): Likewise.
5816         (expand_call_inline): Likewise.
5817         (copy_bb): Avoid redundant lookup & set of gimple_block.
5818         * gimple-low.c (lower_gimple_return): Likewise.
5819         (lower_builtin_setjmp): Likewise.
5820
5821 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5822
5823         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5824         is constant 0, turn into static const data member initialized to false.
5825         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5826         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5827
5828 2019-03-26  Jason Merrill  <jason@redhat.com>
5829             Jakub Jelinek  <jakub@redhat.com>
5830
5831         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5832         method.
5833         (mem_alloc_description::release_object_overhead): Fix comment typos.
5834         * hash-table.h (hash_table::~hash_table): Call
5835         release_instance_overhead only if m_entries is non-NULL, otherwise
5836         call unregister_descriptor.
5837
5838 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5839
5840         PR tree-optimization/81740
5841         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5842         In case of outer loop vectorization, check for backward dependence
5843         at the inner loop if outer loop dependence is reversed.
5844
5845 2019-03-26  Alan Modra  <amodra@gmail.com>
5846
5847         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5848         rs6000_vector_mem init.  Correct wI and wJ comment.
5849
5850 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5851
5852         PR rtl-optimization/88347
5853         PR rtl-optimization/88423
5854         * sched-deps.c (sched_analyze_insn): Take into account that for
5855         tablejumps the barrier appears after a label and a jump_table_data.
5856
5857 2019-03-25  Martin Sebor  <msebor@redhat.com>
5858
5859         PR c/89812
5860         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5861         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5862         convert it to UHWI when it fits.
5863
5864 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5865
5866         PR debug/86964
5867         * dwarf2out.c (premark_used_variables): New function.
5868         (prune_unused_types_walk): Do not mark not premarked external
5869         variables.
5870         (prune_unused_types): Call premark_used_variables.
5871
5872 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5873
5874         PR rtl-optimization/89676
5875         * lra-constraints.c (curr_insn_transform): Do match reload for
5876         early clobbers when the match was successful only for different
5877         registers.
5878
5879 2019-03-25  Martin Sebor  <msebor@redhat.com>
5880
5881         * doc/extend.texi (Common Type Attributes): Document vector_size.
5882         (Common Variable Attributes): Mention size constraint.  Correct
5883         quoting and typos.
5884         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5885         base type and size constraints.
5886
5887 2019-03-25  Richard Biener  <rguenther@suse.de>
5888
5889         PR tree-optimization/89789
5890         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5891         changes from non-undefined back to undefined.
5892
5893 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5894
5895         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5896         heap string and a gc string, but since this variable is unknown to
5897         ggc the gc string might get reused and corrupted. Fixed by always
5898         using a heap string.
5899
5900 2019-03-25  Richard Biener  <rguenther@suse.de>
5901
5902         PR tree-optimization/89779
5903         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5904         to remove IV defs, delay actual removal.
5905         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5906         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5907         very end, properly also reset loop control IV information.
5908
5909 2019-03-25  Richard Biener  <rguenther@suse.de>
5910
5911         PR tree-optimization/89802
5912         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5913         move EH data to folded stmt.
5914
5915 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5916
5917         * config/s390/s390-builtin-types.def: Remove few unused types and
5918         fix sort order for others.
5919
5920 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5921
5922         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5923         expected and found types with -mdebug during builtin matching.
5924
5925 2019-03-25  Richard Biener  <rguenther@suse.de>
5926
5927         PR middle-end/89790
5928         * fold-const.c (operand_equal_p): Revert last change with
5929         updated comment.
5930
5931 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5932
5933         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5934         notes for the result of the __tls_get_addr calls.
5935         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5936
5937 2019-03-24  Jeff Law  <law@redhat.com>
5938
5939         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5940
5941         PR rtl-optimization/87761
5942         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5943         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5944         as needed.
5945         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5946         rescans.  Reprocess blocks as needed, calling df_analyze before
5947         reprocessing.  Always call df_analyze before fixing up debug bind
5948         insns.
5949
5950 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5951
5952         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5953         big endian.
5954
5955 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5956
5957         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5958         attrribute for uxtw.
5959
5960 2019-03-26  Jeff Law  <law@redhat.com>
5961
5962         PR rtl-optimization/87761
5963         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5964         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5965         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5966         into the next instruction.
5967         (mips_split_move_insn): Pass INSN through to mips_split_move.
5968
5969 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5970
5971         PR rtl-optimization/89676
5972         * lra-constraints.c (curr_insn_transform): Do match reload for
5973         early clobbers even if the match was successful.
5974
5975 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5976
5977         PR c++/87481
5978         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5979
5980 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5981
5982         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5983
5984 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5985
5986         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5987         <avx512>_fmsub_<mode>_mask3<round_name>,
5988         <avx512>_fnmadd_<mode>_mask3<round_name>,
5989         <avx512>_fnmsub_<mode>_mask3<round_name>,
5990         avx512f_vmfmadd_<mode>_mask3<round_name>,
5991         avx512f_vmfmsub_<mode>_mask3<round_name>,
5992         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5993         instead of register_operand and %v instead of v for match_operand 1.
5994         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5995         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5996         <round_nimm_predicate> instead of register_operand and %v instead of v
5997         for match_operand 1.
5998
5999         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6000         <avx512>_fmadd_<mode>_mask3<round_name>,
6001         <avx512>_fmsub_<mode>_mask<round_name>,
6002         <avx512>_fmsub_<mode>_mask3<round_name>,
6003         <avx512>_fnmadd_<mode>_mask<round_name>,
6004         <avx512>_fnmadd_<mode>_mask3<round_name>,
6005         <avx512>_fnmsub_<mode>_mask<round_name>,
6006         <avx512>_fnmsub_<mode>_mask3<round_name>,
6007         <avx512>_fmaddsub_<mode>_mask<round_name>,
6008         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6009         <avx512>_fmsubadd_<mode>_mask<round_name>,
6010         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6011         <round_nimm_predicate> instead of nonimmediate_operand.
6012         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6013         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6014         Use register_operand instead of <round_nimm_predicate> for the
6015         operand that needs to match output.
6016         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6017         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6018         Likewise.  Formatting fixes.
6019
6020         PR target/89784
6021         * config/i386/i386.c (enum ix86_builtins): Remove
6022         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6023         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6024         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6025         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6026         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6027         __builtin_ia32_vfmsubss3_mask3): New builtins.
6028         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6029         avx512f_vmfmadd_<mode>_mask3<round_name>,
6030         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6031         *avx512f_vmfmsub_<mode>_mask<round_name>,
6032         avx512f_vmfmsub_<mode>_mask3<round_name>,
6033         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6034         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6035         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6036         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6037         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6038         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6039         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6040         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6041         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6042         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6043         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6044         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6045         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6046         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6047         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6048         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6049         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6050         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6051         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6052         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6053         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6054         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6055         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6056         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6057         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6058         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6059         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6060         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6061
6062 2019-03-21  Martin Sebor  <msebor@redhat.com>
6063
6064         PR tree-optimization/89350
6065         * builtins.c (compute_objsize): Also ignore offsets whose upper
6066         bound is negative.
6067         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6068         (builtin_memref::builtin_memref): Initialize new member.
6069         Allow EXPR to be null.
6070         (builtin_memref::extend_offset_range): Replace local with a member.
6071         Avoid assuming pointer offsets are unsigned.
6072         (builtin_memref::set_base_and_offset): Determine base object
6073         before computing offset range.
6074         (builtin_access::builtin_access): Handle memset.
6075         (builtin_access::generic_overlap): Replace local with a member.
6076         (builtin_access::strcat_overlap): Same.
6077         (builtin_access::overlap): Same.
6078         (maybe_diag_overlap): Same.
6079         (maybe_diag_access_bounds): Same.
6080         (wrestrict_dom_walker::check_call): Handle memset.
6081         (check_bounds_or_overlap): Same.
6082
6083 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6084             Jakub Jelinek  <jakub@redhat.com>
6085
6086         PR lto/89692
6087         * tree.c (fld_type_variant, fld_incomplete_type_of,
6088         fld_process_array_type): Call fld->pset.add and don't call
6089         add_tree_to_fld_list if it returns true.
6090         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6091         non-marked types from TYPE_NEXT_VARIANT list.
6092         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6093
6094 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6095
6096         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6097         to false, if true, don't alloc_entries during construction, but defer
6098         it to the first method that needs m_entries allocated.
6099         (hash_table::hash_table, hash_table::~hash_table,
6100         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6101         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6102         hash_table::clear_slot, hash_table::traverse_noresize,
6103         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6104         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6105         false.
6106         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6107         NO_INSERT instead of find_with_hash.
6108         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6109         hash_set::m_table): Add Lazy to template params of hash_table.
6110         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6111         * attribs.c (test_attribute_exclusions): Likewise.
6112         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6113         hash_set.  Add tests for hash_set with Lazy = true.
6114
6115 2019-03-21  Richard Biener  <rguenther@suse.de>
6116
6117         PR tree-optimization/89779
6118         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6119         checks with respect to released SSA names now having error_mark_node
6120         type.
6121         * fold-const.c (operand_equal_p): Likewise.
6122
6123 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6124
6125         PR target/89775
6126         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6127         available to ...
6128         (s390_optimize_register_info): Use global_not_special_regno_p to
6129         check for global regs.
6130
6131 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6132
6133         PR target/89752
6134         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6135         update this_alternative nor this_alternative_set.
6136
6137 2019-03-19  Jim Wilson  <jimw@sifive.com>
6138
6139         PR target/89411
6140         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6141         align, size, offset.  Use them to handle a BLKmode reference.  Update
6142         comment.
6143         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6144
6145 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6146
6147         PR rtl-optimization/89768
6148         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6149         instead of GEN_INT.
6150         (unroll_loop_runtime_iterations): Likewise.
6151
6152 2019-03-19  Martin Sebor  <msebor@redhat.com>
6153
6154         PR tree-optimization/89644
6155         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6156         rather than endptr as an indicator of nul-termination.
6157
6158         PR tree-optimization/89644
6159         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6160         arrays in determining sequence sizes in strncpy and stpncpy.
6161
6162 2019-03-19  Martin Liska  <mliska@suse.cz>
6163
6164         PR middle-end/89737
6165         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6166         unlikely_edges if there's an edge that belongs to both these sets.
6167
6168 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6169
6170         PR target/89746
6171         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6172         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6173         go via a stack temporary.
6174
6175 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6176
6177         PR target/89378
6178         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6179         instead of gen_rtx_SUBREG.
6180         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6181
6182 2019-03-19  Richard Biener  <rguenther@suse.de>
6183
6184         PR debug/88389
6185         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6186
6187 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6188
6189         PR lto/87809
6190         PR lto/89335
6191         * tree.c (free_lang_data_in_decl): Do not free context of C++
6192         destrutors.
6193
6194 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6195
6196         PR target/89506
6197         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6198         subs for the first alternative except when operands[3] is 1.
6199
6200         PR target/89752
6201         * gimplify.c (gimplify_asm_expr): For output argument with
6202         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6203         diagnose error.
6204
6205 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6206
6207         PR rtl-optimization/89753
6208         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6209         explicit unrolling factor even more robust.
6210
6211 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6212
6213         PR target/89726
6214         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6215         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6216         signed zeros, do another copysign after the compensation.
6217
6218 2019-03-18  Martin Sebor  <msebor@redhat.com>
6219
6220         PR tree-optimization/89720
6221         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6222         more conservatively, the same as anti-range.
6223
6224 2019-03-18  Richard Biener  <rguenther@suse.de>
6225
6226         PR middle-end/88945
6227         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6228         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6229         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6230         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6231
6232 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6233
6234         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6235         Extend queue to 1024 entries.
6236         Add "consumed" field.
6237         (gomp_print_output): Remove print_index parameter.
6238         Add final parameter.
6239         Change limit to unsigned.
6240         Use consumed field to implement circular buffer.
6241         Detect interrupted print in final pass.
6242         Flush output at the end.
6243         (run): Update gomp_print_output usage.
6244         (main): Initialize kernargs->output_data.consumed.
6245
6246 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6247
6248         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6249         calculation of the minimum number of scalar iterations for
6250         fully-predicated loops.
6251
6252 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6253
6254         PR tree-optimization/89546
6255         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6256         any propagation to its children took place.
6257
6258 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6259
6260         PR target/89627
6261         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6262         parameter, and make use of it.
6263         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6264
6265 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6266
6267         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6268         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6269         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6270         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6271         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6272         match what the ops is doing.
6273         (push_multi_fp_blink): Likewise.
6274         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6275         compiling for size and elf target.
6276         (arc_save_callee_enter): Adjust note to match what enter/leave
6277         operation does.
6278
6279 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6280
6281         * config/arc/arc.md (tst_movb): Fix constraint.
6282
6283 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6284
6285         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6286
6287 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6288
6289         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6290         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6291         reg_alloc_order references.
6292         (size_alloc_order): Define.
6293         (arc_adjust_reg_alloc_order): New function.
6294         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6295         order.
6296         (ADJUST_REG_ALLOC_ORDER): Define.
6297         (HONOR_REG_ALLOC_ORDER): Likewise.
6298
6299 2019-03-18  Richard Biener  <rguenther@suse.de>
6300
6301         PR target/87561
6302         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6303         loads and stores a bit more.
6304
6305 2019-03-18  Richard Biener  <rguenther@suse.de>
6306
6307         PR target/87561
6308         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6309         load pessimization to stores as well.
6310
6311 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6312
6313         PR middle-end/86979
6314         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6315         successor, use NULL as its av set.
6316
6317 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6318
6319         PR rtl-optimization/89721
6320         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6321
6322 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6323
6324         PR target/87532
6325         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6326         When handling vec_extract, use modular arithmetic to allow
6327         constant selectors greater than vector length.
6328         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6329         V1TImode vectors to have constant selector values greater than 0.
6330         Use modular arithmetic to compute vector index.
6331         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6332         index for in-memory vectors.  Correct code generation for
6333         in-register vectors.
6334         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6335         compute index.
6336
6337 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6338
6339         PR c++/88534
6340         PR c++/88537
6341         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6342         VAR_DECL args.
6343
6344 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6345
6346         PR c++/89709
6347         * tree.c (inchash::add_expr): Strip any location wrappers.
6348         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6349         after hash verification.
6350
6351         PR debug/89704
6352         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6353         SIGN_EXTEND and ZERO_EXTEND.
6354
6355 2019-03-14  Jason Merrill  <jason@redhat.com>
6356             Jakub Jelinek  <jakub@redhat.com>
6357
6358         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6359         than if is_empty (*slot).
6360         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6361         existing elt and for elt removal.
6362         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6363         of already removed elt.
6364
6365 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6366
6367         PR target/89650
6368         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6369         REG_EH_REGION note.
6370
6371 2019-03-14  Martin Liska  <mliska@suse.cz>
6372
6373         PR other/89712
6374         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6375
6376 2019-03-14  Richard Biener  <rguenther@suse.de>
6377
6378         PR target/89711
6379         * config/i386/i386.c (make_resolver_func): Properly set
6380         DECL_CONTEXT on the RESULT_DECL.
6381         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6382
6383 2019-03-14  Richard Biener  <rguenther@suse.de>
6384
6385         * gimple-pretty-print.c: Include cfgloop.h.
6386         (dump_gimple_phi): Adjust.
6387         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6388         (pp_cfg_jump): Adjust.
6389         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6390         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6391         (lower_phi_internal_fn): Remove.
6392         (verify_gimple_call): Remove IFN_PHI special-casing.
6393         (dump_function_to_file): Dump IL state.
6394         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6395         done to deal with PHI nodes being present in non-SSA state.
6396
6397 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6398
6399         PR ipa/89684
6400         * multiple_target.c (create_dispatcher_calls): Change
6401         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6402         In the node->iterate_referring loop, push *ref rather than ref, call
6403         ref->remove_reference () and always pass 0 to iterate_referring.
6404
6405         PR rtl-optimization/89679
6406         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6407         would contain a paradoxical SUBREG.
6408
6409 2019-03-14  Richard Biener  <rguenther@suse.de>
6410
6411         PR tree-optimization/89710
6412         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6413         safe_dyn_cast.
6414
6415 2019-03-14  Martin Liska  <mliska@suse.cz>
6416
6417         * coverage.c (coverage_begin_function): Stream also
6418         end_column.
6419         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6420         documentation about function declaration location.
6421         * gcov-dump.c (tag_function): Print whole range
6422         of function declaration.
6423         * gcov.c (struct function_info): Add end_column field.
6424         (function_info::function_info): Initialize it.
6425         (output_json_intermediate_file): Output {start,end}_column
6426         fields.
6427         (read_graph_file): Read end_column.
6428
6429 2019-03-14  Richard Biener  <rguenther@suse.de>
6430
6431         PR middle-end/89698
6432         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6433         that the access types are similar.
6434
6435 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6436
6437         PR tree-optimization/89703
6438         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6439         aren't compatible also with builtin_decl_explicit.  Check pure
6440         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6441         and BUILT_IN_STPNCPY{,_CHK}.
6442
6443 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6444
6445         PR target/89523
6446         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6447         addr32 prefix to VSIB address for X32.
6448         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6449         "%M2" to opcode.
6450         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6451         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6452         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6453         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6454         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6455         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6456         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6457         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6458         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6459         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6460         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6461         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6462         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6463         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6464         (*avx512f_scatterdi<mode>): Likewise.
6465
6466 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6467
6468         PR target/85860
6469         * lra-constraints.c (inherit_in_ebb): Update
6470         potential_reload_hard_regs along with live_hard_regs.
6471
6472 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6473
6474         PR debug/89498
6475         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6476         DWARF_OFFSET_SIZE.
6477         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6478
6479 2019-03-13  Martin Sebor  <msebor@redhat.com>
6480
6481         PR tree-optimization/89662
6482         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6483         has a size.
6484
6485 2019-03-13  Richard Biener  <rguenther@suse.de>
6486
6487         PR middle-end/89677
6488         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6489         throw FP expressions at tree-affine.
6490
6491 2019-03-14  Richard Biener  <rguenther@suse.de>
6492
6493         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6494         dump negative integer constants using _Literal (type) -num.
6495
6496 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6497
6498         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6499         nonlocal_value member.
6500
6501         PR middle-end/88588
6502         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6503         (ipa_simd_modify_function_body): Handle PHIs.
6504
6505 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6506
6507         * config/s390/s390.c (s390_option_override_internal): Use more
6508         aggressive inlining parameters.
6509
6510 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6511
6512         * config/s390/3906.md: New file.
6513         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6514         (LONGRUNNING_THRESHOLD): Remove.
6515         (MAX_SCHED_MIX_SCORE): Decrease.
6516         (MAX_SCHED_MIX_DISTANCE): Decrease.
6517         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6518         (struct s390_sched_state): New struct to hold scheduling state.
6519         (S390_SCHED_STATE_NORMAL): Remove.
6520         (S390_SCHED_STATE_CRACKED): Remove.
6521         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6522         (s390_get_sched_attrmask): Use new attribute.
6523         (s390_get_unit_mask): Use new units.
6524         (s390_is_fpd): New function.
6525         (s390_is_fxd): New function.
6526         (s390_is_longrunning): New function.
6527         (s390_sched_score): Use new functions.
6528         (s390_sched_reorder): Likewise.
6529         (s390_sched_variable_issue): Rework and use new functions.
6530         (s390_sched_init): Use new functions.
6531         * config/s390/s390.h (s390_tune_attr):  Add z14.
6532         * config/s390/s390.md: Add z14.
6533
6534 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6535
6536         * config/s390/2964.md: Update pipeline description.
6537         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6538         (LONGRUNNING_THRESHOLD): Remove.
6539         (LATENCY_FACTOR): Remove.
6540         (s390_get_unit_mask): Add unit.
6541         (s390_sched_score): Use fxd/fpd.
6542         (s390_sched_variable_issue): Use fxd/fpd.
6543
6544 2019-03-12  Martin Liska  <mliska@suse.cz>
6545
6546         * config/i386/i386.c: Reword an error message.
6547
6548 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6549
6550         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6551         terminate with newline.
6552
6553 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6554
6555         PR target/52726
6556         * config/s390/s390.md (tabort): Use %wd instead of
6557         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6558         letters and periods.
6559         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6560         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6561         's with %< and %>.
6562
6563         PR middle-end/89663
6564         * builtins.c (expand_builtin_int_roundingfn,
6565         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6566         gcc_unreachable if validate_arglist fails.
6567
6568 2019-03-12  Richard Biener  <rguenther@suse.de>
6569
6570         PR tree-optimization/89664
6571         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6572         free the occurance tree after the early out.
6573
6574 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6575
6576         PR middle-end/89655
6577         PR bootstrap/89656
6578         * vr-values.c (vr_values::update_value_range): If
6579         old_vr->varying_p (), don't update it, make new_vr also VARYING
6580         and return false.
6581
6582 2019-03-11  Martin Liska  <mliska@suse.cz>
6583
6584         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6585         Fix double string quoting.
6586
6587 2019-03-11  Martin Liska  <mliska@suse.cz>
6588
6589         * collect-utils.c (collect_wait): Wrap apostrophes
6590         in gcc internal format with %'.
6591         * collect2.c (main): Likewise.
6592         (scan_prog_file): Likewise.
6593         (scan_libraries): Likewise.
6594         * config/i386/i386.c (ix86_expand_call): Likewise.
6595         (ix86_handle_interrupt_attribute): Likewise.
6596         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6597         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6598         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6599         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6600         * symtab.c (symtab_node::verify_base): Likewise.
6601         * tree-cfg.c (verify_gimple_label): Likewise.
6602         * tree.c (verify_type_variant): Likewise.
6603
6604 2019-03-11  Martin Liska  <mliska@suse.cz>
6605
6606         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6607         in a string format message and fix GNU coding style.
6608         (expand_builtin_set_thread_pointer): Likewise.
6609         * common/config/aarch64/aarch64-common.c
6610         (aarch64_rewrite_selected_cpu): Likewise.
6611         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6612         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6613         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6614         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6615         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6616         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6617         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6618         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6619         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6620         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6621         Likewise.
6622         * common/config/riscv/riscv-common.c
6623         (riscv_subset_list::parsing_subset_version): Likewise.
6624         (riscv_subset_list::parse_std_ext): Likewise.
6625         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6626         (riscv_subset_list::parse): Likewise.
6627         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6628         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6629         (aarch64_override_options_internal): Likewise.
6630         (aarch64_validate_mcpu): Likewise.
6631         (aarch64_validate_march): Likewise.
6632         (aarch64_validate_mtune): Likewise.
6633         (aarch64_override_options): Likewise.
6634         * config/alpha/alpha.c (alpha_option_override): Likewise.
6635         * config/arc/arc.c (arc_init): Likewise.
6636         (parse_mrgf_banked_regs_option): Likewise.
6637         (arc_override_options): Likewise.
6638         (arc_expand_builtin_aligned): Likewise.
6639         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6640         (arm_expand_builtin): Likewise.
6641         * config/arm/arm.c (arm_option_check_internal): Likewise.
6642         (arm_configure_build_target): Likewise.
6643         (arm_option_override): Likewise.
6644         (arm_options_perform_arch_sanity_checks): Likewise.
6645         (arm_handle_cmse_nonsecure_entry): Likewise.
6646         (arm_handle_cmse_nonsecure_call): Likewise.
6647         (arm_tls_referenced_p): Likewise.
6648         (thumb1_expand_prologue): Likewise.
6649         * config/avr/avr.c (avr_option_override): Likewise.
6650         * config/bfin/bfin.c (bfin_option_override): Likewise.
6651         * config/c6x/c6x.c (c6x_option_override): Likewise.
6652         * config/cr16/cr16.c (cr16_override_options): Likewise.
6653         * config/cris/cris.c (cris_option_override): Likewise.
6654         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6655         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6656         * config/darwin.c (darwin_override_options): Likewise.
6657         * config/frv/frv.c (frv_expand_builtin): Likewise.
6658         * config/h8300/h8300.c (h8300_option_override): Likewise.
6659         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6660         (ix86_option_override_internal): Likewise.
6661         (warn_once_call_ms2sysv_xlogues): Likewise.
6662         (ix86_expand_prologue): Likewise.
6663         (split_stack_prologue_scratch_regno): Likewise.
6664         (ix86_warn_parameter_passing_abi): Likewise.
6665         * config/ia64/ia64.c (fix_range): Likewise.
6666         * config/m68k/m68k.c (m68k_option_override): Likewise.
6667         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6668         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6669         (mips_set_compression_mode): Likewise.
6670         * config/mmix/mmix.c (mmix_option_override): Likewise.
6671         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6672         * config/msp430/msp430.c (msp430_option_override): Likewise.
6673         * config/nds32/nds32.c (nds32_option_override): Likewise.
6674         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6675         (nios2_option_override): Likewise.
6676         (nios2_expand_custom_builtin): Likewise.
6677         * config/nvptx/mkoffload.c (main): Likewise.
6678         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6679         * config/pa/pa.c (fix_range): Likewise.
6680         (pa_option_override): Likewise.
6681         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6682         (riscv_option_override): Likewise.
6683         * config/rl78/rl78.c (rl78_option_override): Likewise.
6684         * config/rs6000/aix61.h: Likewise.
6685         * config/rs6000/aix71.h: Likewise.
6686         * config/rs6000/aix72.h: Likewise.
6687         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6688         * config/rs6000/freebsd64.h: Likewise.
6689         * config/rs6000/linux64.h: Likewise.
6690         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6691         (rs6000_expand_zeroop_builtin): Likewise.
6692         (rs6000_expand_mtfsb_builtin): Likewise.
6693         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6694         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6695         (rs6000_invalid_builtin): Likewise.
6696         (rs6000_expand_split_stack_prologue): Likewise.
6697         * config/rs6000/rtems.h: Likewise.
6698         * config/rx/rx.c (valid_psw_flag): Likewise.
6699         (rx_expand_builtin): Likewise.
6700         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6701         * config/s390/s390.c (s390_expand_builtin): Likewise.
6702         (s390_function_profiler): Likewise.
6703         (s390_option_override_internal): Likewise.
6704         (s390_option_override): Likewise.
6705         * config/sh/sh.c (sh_option_override): Likewise.
6706         (sh_builtin_saveregs): Likewise.
6707         (sh_fix_range): Likewise.
6708         * config/sh/vxworks.h: Likewise.
6709         * config/sparc/sparc.c (sparc_option_override): Likewise.
6710         * config/spu/spu.c (spu_option_override): Likewise.
6711         (fix_range): Likewise.
6712         * config/visium/visium.c (visium_option_override): Likewise.
6713         (visium_handle_interrupt_attr): Likewise.
6714         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6715         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6716         (dbg_cnt_process_opt): Likewise.
6717         * dwarf2out.c (output_dwarf_version): Likewise.
6718         * except.c (expand_eh_return): Likewise.
6719         * gcc.c (defined): Likewise.
6720         (driver_handle_option): Likewise.
6721         (process_command): Likewise.
6722         (compare_files): Likewise.
6723         (driver::prepare_infiles): Likewise.
6724         (driver::do_spec_on_infiles): Likewise.
6725         (driver::maybe_run_linker): Likewise.
6726         * omp-offload.c (oacc_parse_default_dims): Likewise.
6727         * opts-global.c (handle_common_deferred_options): Likewise.
6728         * opts.c (parse_sanitizer_options): Likewise.
6729         (common_handle_option): Likewise.
6730         (enable_warning_as_error): Likewise.
6731         * passes.c (enable_disable_pass): Likewise.
6732         * plugin.c (parse_plugin_arg_opt): Likewise.
6733         (default_plugin_dir_name): Likewise.
6734         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6735         (default_pch_valid_p): Likewise.
6736         * toplev.c (init_asm_output): Likewise.
6737         (process_options): Likewise.
6738         (toplev::run_self_tests): Likewise.
6739         * tree-cfg.c (verify_gimple_call): Likewise.
6740         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6741         (tree_inlinable_function_p): Likewise.
6742         * var-tracking.c (vt_find_locations): Likewise.
6743
6744 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6745
6746         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6747         only on the else branch.
6748
6749 2019-03-11  Martin Liska  <mliska@suse.cz>
6750
6751         * gcov.c (output_intermediate_json_line): Print function
6752         name of each line.
6753         (output_json_intermediate_file): Add new argument.
6754         * doc/gcov.texi: Document the change.
6755
6756 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6757
6758         PR rtl-optimization/89588
6759         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6760         explicit unrolling factor more robust.
6761
6762 2019-03-11  Richard Biener  <rguenther@suse.de>
6763
6764         PR tree-optimization/89649
6765         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6766         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6767         on the prolog and epilog loops.
6768         (vect_loop_versioning): Return copy of loop.
6769         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6770         on the non-vectorized version of the loop.
6771
6772 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6773
6774         PR target/68924
6775         * config/i386/sse.md (*vec_extractv2di_0_sse):
6776         Add (=r,x) alternative and corresponding splitter.
6777
6778 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6779
6780         PR tree-optimization/85762
6781         PR tree-optimization/87008
6782         PR tree-optimization/85459
6783         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6784         it points to if there is a type changing MEM_REF.  Adjust all callers.
6785         (build_accesses_from_assign): Disable total scalarization if
6786         contains_vce_or_bfcref_p returns true through the new parameter, for
6787         both rhs and lhs.
6788
6789 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6790
6791         PR c/88568
6792         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6793         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6794
6795         PR target/79645
6796         * common.opt (fdiagnostics-show-labels,
6797         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6798         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6799         gas-locview-support, ginline-points, ginternal-reset-location-views):
6800         Terminate description text with a dot.
6801         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6802         * config/mcore/mcore.opt (m210, m340): Likewise.
6803         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6804         mnops=): Start description text with a capital letter.
6805         * config/arc/arc.opt (msize-level=): Likewise.
6806         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6807         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6808         mnewlib): Likewise.
6809         * config/ft32/ft32.opt (msim): Likewise.
6810         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6811         (mnodiv, mnopm): Terminate description text with a dot.
6812         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6813         a colon.
6814         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6815         Likewise.
6816         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6817         text.
6818
6819         PR rtl-optimization/89634
6820         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6821         are modified in BB_END (e->src) instruction.
6822
6823 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6824
6825         PR target/79926
6826         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6827         messages more amenable to translation, and improve wording.
6828
6829 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6830
6831         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6832         ud- and du-chains between phases.
6833
6834 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6835
6836         PR debug/89631
6837         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6838         instead of POLY_INT_CST.
6839
6840 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6841
6842         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6843         requirement.
6844
6845 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6846
6847         PR target/68924
6848         PR target/78782
6849         PR target/87558
6850         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6851         (_mm_storeu_si64): Ditto.
6852
6853 2019-03-08  Martin Liska  <mliska@suse.cz>
6854
6855         PR target/86952
6856         * config/i386/i386.c (ix86_option_override_internal): Disable
6857         jump tables when retpolines are used.
6858
6859 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6860
6861         PR go/63560
6862         * ipa-split.c (execute_split_functions): Do not split
6863         'noinline' or 'section' function.
6864
6865 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6866
6867         PR target/79846
6868         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6869         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6870         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6871
6872         PR ipa/80000
6873         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6874         from diagnostics.  Formatting fixes.
6875
6876         PR target/85665
6877         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6878         warn_odr diagnostics.
6879
6880         PR other/80058
6881         * lra-constraints.c (process_alt_operands): Avoid one space before
6882         " at the end of line and another after " on another line in a string
6883         literal.
6884         * attribs.c (handle_dll_attribute): Likewise.
6885         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6886
6887         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6888         warning_at or inform messages in G_() if there is no ?:.
6889
6890         PR tree-optimization/89550
6891         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6892         returned true.  Formatting fixes.
6893         (expand_builtin_strnlen): Formatting fixes.
6894         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6895         if warning_at returned true.
6896         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6897
6898 2019-03-08  Richard Biener  <rguenther@suse.de>
6899
6900         PR middle-end/89578
6901         * cfgloop.h (struct loop): Add owned_clique field.
6902         * cfgloopmanip.c (copy_loop_info): Copy it.
6903         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6904         cliques.
6905         * tree-inline.c (copy_loops): Remap owned_clique.
6906         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6907         * lto-streamer-out.c (output_cfg): Likewise.
6908
6909 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6910
6911         PR target/80190
6912         * config/darwin.c: Include intl.h.
6913         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6914         composing the message out of two separate parts.
6915
6916 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6917
6918         PR target/80003
6919         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6920         doesn't start with a capital letter and doesn't end with a dot.
6921         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6922         with a capital letter.
6923         (ix86_mangle_function_version_assembler_name): Likewise.
6924         (ix86_generate_version_dispatcher_body): Likewise.
6925         (fold_builtin_cpu): Likewise.
6926         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6927         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6928         translators, wrap full type name in %qs.
6929
6930         PR translation/79999
6931         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6932         depend clause with source (or sink) modifier.
6933         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6934
6935         PR target/89602
6936         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6937         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6938         (avx512f_load<mode>_mask): New define_expand.
6939         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6940         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6941         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6942         __builtin_ia32_movess_mask): New builtins.
6943         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6944         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6945         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6946         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6947
6948 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6949
6950         PR lto/87525
6951         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6952         for extern inline functions.
6953
6954 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6955
6956         PR ipa/88235
6957         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6958         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6959         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6960         have multiple callees.  At the end check if declarations match as
6961         opposed to cgraph_nodes.
6962
6963 2019-03-07  Martin Liska  <mliska@suse.cz>
6964
6965         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6966         which is equivalent to searching for this in clones chain.
6967         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6968         names with a neighbour and special case first node in a chain.
6969
6970 2019-01-25  Jason Merrill  <jason@redhat.com>
6971
6972         PR c++/80916 - spurious "static but not defined" warning.
6973         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6974         for an internal symbol with DECL_EXTERNAL.
6975
6976 2019-04-07  Richard Biener  <rguenther@suse.de>
6977
6978         PR middle-end/89618
6979         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6980         * tree-inline.c (copy_loops): Simplify.
6981
6982 2019-03-07  Martin Liska  <mliska@suse.cz>
6983
6984         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6985
6986 2019-03-07  Richard Biener  <rguenther@suse.de>
6987
6988         PR tree-optimization/89595
6989         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6990         stmt iterator as reference, take boolean output parameter to
6991         indicate whether the stmt was removed and thus the iterator
6992         already advanced.
6993         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6994         stmts created by folding.
6995
6996 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6997
6998         PR c++/89585
6999         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7000         at toplevel.
7001
7002 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7003
7004         PR rtl-optimization/88845
7005         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7006         LRA.
7007         * lra.c (remove_scratches_1): New function.
7008         (remove_scratches): Use it.
7009         (lra_emit_move): Likewise.
7010
7011 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7012
7013         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7014         unaligned_access variable.
7015         * config/arc/arc.c (arc_override_options): Set unaligned access
7016         default on for HS CPUs.
7017         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7018
7019 2019-03-06  Martin Liska  <mliska@suse.cz>
7020
7021         PR gcov-profile/89577
7022         * doc/gcov.texi: Prefer to use --coverage.
7023         * doc/sourcebuild.texi: Likewise.
7024
7025 2019-03-02  Jason Merrill  <jason@redhat.com>
7026
7027         PR c++/86485 - -Wmaybe-unused with empty class ?:
7028         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7029
7030 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7031
7032         PR target/89587
7033         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7034         if_multiarch.
7035
7036         PR middle-end/89590
7037         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7038         exactly one argument.
7039
7040 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7041             Richard Sandiford  <richard.sandiford@arm.com>
7042
7043         PR tree-optimization/89570
7044         * match.pd (vec_cond into cond_op simplification): Don't use
7045         get_conditional_internal_fn, use as_internal_fn (cond_op).
7046
7047 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7048
7049         PR target/89222
7050         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7051         to decide when to split off a non-zero offset from a symbol.
7052         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7053         in function symbols.
7054
7055 2019-03-05  Richard Biener  <rguenther@suse.de>
7056
7057         PR tree-optimization/89594
7058         * tree-if-conv.c (pass_if_conversion::execute): Handle
7059         case where .LOOP_VECTORIZED_FUNCTION was removed.
7060
7061 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7062
7063         PR bootstrap/89560
7064         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7065         instead alloca it only when needed with the needed size.
7066
7067         PR tree-optimization/89570
7068         * match.pd (vec_cond into cond_op simplification): Guard with
7069         vectorized_internal_fn_supported_p test and #if GIMPLE.
7070
7071         PR tree-optimization/89566
7072         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7073         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7074         Punt if get_user_idx_format succeeds, but idx_format argument is
7075         not provided or doesn't have pointer type, or if idx_args is above
7076         number of provided arguments.
7077
7078 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7079
7080         PR tree-optimization/89437
7081         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7082
7083 2019-03-04  Richard Biener  <rguenther@suse.de>
7084
7085         PR middle-end/89572
7086         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7087         safe_dyn_cast.
7088
7089 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7090
7091         PR tree-optimization/89487
7092         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7093         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7094         (distribute_loop): Don't do runtime alias check if there is non-
7095         addressable data reference.
7096         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7097         is a register variable.
7098
7099 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7100
7101         PR target/89506
7102         * config/arm/arm.md (cmpsi2_addneg): Use
7103         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7104         If operands[2] is 0 or INT_MIN, force use of subs.
7105         (*compare_scc splitter): Use gen_int_mode.
7106         (*negscc): Likewise.
7107         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7108
7109 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7110             Monk Chiang  <sh.chiang04@gmail.com>
7111
7112         * common/config/riscv/riscv-common.c: Include sstream.
7113         (riscv_subset_list::to_string): New.
7114         (riscv_arch_str): Likewise.
7115         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7116         * config.in: Regen.
7117         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7118         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7119         (riscv_emit_attribute): New.
7120         (riscv_file_start): Emit attribute if needed.
7121         (riscv_option_override): Init riscv_emit_attribute_p.
7122         * config/riscv/riscv.opt (mriscv-attribute): New option.
7123         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7124         * configure: Regen.
7125         * doc/install.texi: Document --with-riscv-attribute.
7126         * doc/invoke.texi: Document -mriscv-attribute.
7127
7128         * common/config/riscv/riscv-common.c:
7129         Include config/riscv/riscv-protos.h.
7130         (INCLUDE_STRING): Defined.
7131         (RISCV_DONT_CARE_VERSION): Defined.
7132         (riscv_subset_t): Declare.
7133         (riscv_subset_t::riscv_subset_t): New.
7134         (riscv_subset_list): Declare.
7135         (riscv_subset_list::riscv_subset_list): New.
7136         (riscv_subset_list::~riscv_subset_list): Likewise.
7137         (riscv_subset_list::parsing_subset_version): Likewise.
7138         (riscv_subset_list::parse_std_ext): Likewise.
7139         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7140         (riscv_subset_list::add): Likewise.
7141         (riscv_subset_list::lookup): Likewise.
7142         (riscv_subset_list::xlen): Likewise.
7143         (riscv_subset_list::parse): Likewise.
7144         (riscv_supported_std_ext): Likewise.
7145         (current_subset_list): Likewise.
7146         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7147         parse.
7148
7149 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7150
7151         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7152         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7153         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7154
7155 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7156
7157         PR rtl-optimization/85899
7158         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7159         fallthru edges leading to the exit block.
7160
7161 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7162
7163         PR target/89517
7164         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7165         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7166
7167 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7168
7169         PR tree-optimization/89535
7170         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7171         for each operand.  Calculate the fallback choice for mask operands
7172         and pass it to vect_get_vec_def_for_operand.
7173
7174 2019-03-01  Richard Biener  <rguenther@suse.de>
7175
7176         PR middle-end/89541
7177         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7178         get virtual operands.
7179         (get_expr_operands): Handle CONST_DECL like other decls.
7180
7181 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7182
7183         PR middle-end/89503
7184         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7185         on DECL_P and EXPR_P.
7186
7187 2019-03-01  Richard Biener  <rguenther@suse.de>
7188
7189         PR middle-end/89497
7190         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7191         argument, defaulted to zero.
7192         * passes.c (execute_function_todo): Pass down SSA update flags
7193         to cleanup_tree_cfg.
7194         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7195         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7196         form if requested.
7197         (cleanup_tree_cfg): Get and pass down SSA update flags.
7198
7199 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7200
7201         PR bootstrap/89539
7202         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7203         early_lto_debug argument.
7204
7205 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7206
7207         PR tree-optimization/89536
7208         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7209         only whether bit #0 of the value is 0 instead of the entire value.
7210
7211 2019-02-28  Marek Polacek  <polacek@redhat.com>
7212
7213         PR c++/87068 - missing diagnostic with fallthrough statement.
7214         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7215         at the end of a seq, save its location to walk_stmt_info.
7216         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7217         a switch.
7218
7219 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7220
7221         PR lto/88585
7222         * tree.c (find_atomic_core_type): Move ahead in file.
7223         (check_base_type): Correctly compare alignments of atomic types.
7224
7225 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7226
7227         PR target/89455
7228         * config/i386/i386.c (get_builtin_code_for_version): Identify
7229         Westmere from PCLMUL, instead of AES.
7230
7231 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7232
7233         PR target/89434
7234         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7235         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7236         -UINTVAL (...).
7237
7238 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7239
7240         PR target/88530
7241         * config/aarch64/aarch64-option-extensions.def: Document it.
7242         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7243         if empty hwcaps.
7244
7245 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7246
7247         PR c/89520
7248         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7249         builtins if they don't have a single scalar floating point argument.
7250         Formatting fixes.
7251
7252 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7253
7254         PR rtl-optimization/89490
7255         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7256         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7257         block section is not mergeable.
7258
7259 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7260
7261         PR target/70341
7262         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7263         old define_insn to ...
7264         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7265         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7266         Rename old define_insn to ...
7267         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7268         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7269         define_insn to ...
7270         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7271         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7272         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7273
7274 2019-02-27  Richard Biener  <rguenther@suse.de>
7275
7276         PR debug/88878
7277         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7278
7279 2019-02-27  Richard Biener  <rguenther@suse.de>
7280
7281         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7282         building.
7283
7284 2019-02-27  Richard Biener  <rguenther@suse.de>
7285
7286         PR debug/88878
7287         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7288         parameter, prefix section name with .gnu.debuglto_ if true.
7289         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7290         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7291
7292 2019-02-27  Richard Biener  <rguenther@suse.de>
7293
7294         PR debug/89514
7295         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7296         rather than on use_debug_types, doing what output_die does.
7297         (value_format): Likewise.
7298
7299 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7300             Martin Sebor  <msebor@redhat.com>
7301
7302         * doc/invoke.texi (Warning Options): Reword description of
7303         -Wno-absolute-value.
7304
7305 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7306
7307         PR tree-optimization/89280
7308         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7309         builtin_setjmp_setup_bb): New functions.
7310         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7311         When visiting __builtin_setjmp_setup block, queue in special
7312         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7313         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7314         from visited after the loop if they don't have any visited successor
7315         blocks.
7316
7317 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7318
7319         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7320         New function.
7321         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7322
7323 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7324
7325         PR c++/89507
7326         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7327         with types other than sizetype/ssizetype.
7328
7329 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7330
7331         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7332         (enum sparc_processor_type): ...this.
7333         (enum sparc_code_model_type): New enumeration type.
7334         (enum sparc_memory_model_type): Tweak comments.
7335         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7336         (mtune): Likewise.
7337         (mcmodel): Use sparc_code_model enumeration and variable.
7338         (sparc_code_model): New enumeration.
7339         (mdebug): Add Undocumented marker.
7340         * config/sparc/sparc.h (enum cmodel): Delete.
7341         (sparc_cmodel): Likewise.
7342         (TARGET_CM_MEDLOW): Adjust to above renaming.
7343         (TARGET_CM_MEDMID): Likewise.
7344         (TARGET_CM_MEDANY): Likewise.
7345         (TARGET_CM_EMBMEDANY): Likewise.
7346         * config/sparc/sparc.c (sparc_cmodel): Delete.
7347         (sparc_option_override): Remove string/value mapping support for the
7348         code model.  Move code and memory model support to after the handling
7349         of target flags.  Do private machine setup last.
7350         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7351         (sparc_legitimize_reload_address): Likewise.
7352         (sparc_output_mi_thunk): Likewise.
7353         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7354
7355 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7356
7357         PR tree-optimization/89500
7358         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7359         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7360         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7361         cst if the first cst bytes starting at x are known to be non-zero,
7362         even if the string is not zero terminated.  Don't try to modify
7363         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7364         we can prove strnlen returns the same value as strlen would.
7365
7366 2019-02-26  Martin Liska  <mliska@suse.cz>
7367
7368         * alloc-pool.h (struct pool_usage): Remove extra
7369         print_dash_line.
7370         * bitmap.h (struct bitmap_usage): Likewise.
7371         * ggc-common.c (struct ggc_usage): Likewise.
7372         * mem-stats.h (struct mem_usage): Likewise.
7373         (mem_alloc_description::dump): Print dash lines
7374         here and repeat header at the end of a table report.
7375         It's then more readable.
7376         * tree-phinodes.c (phinodes_print_statistics): Make
7377         horizontal alignment.
7378         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7379         * vec.c (struct vec_usage): Remove extra print_dash_line.
7380         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7381
7382 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7383
7384         * doc/extend.texi (__builtin_object_size):
7385         Use @pxref instead of @xref inside parenthesis.
7386         (__builtin_has_attribute): Add missing comma after @xref.
7387         (__builtin_object_size): Ditto.
7388         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7389         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7390         in the list.
7391
7392 2019-02-26  Jeff Law  <law@redhat.com>
7393
7394         PR rtl-optimization/87761
7395         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7396         detect obviously dead insns and delete them.
7397
7398 2019-02-26  Richard Biener  <rguenther@suse.de>
7399
7400         PR tree-optimization/89505
7401         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7402         to handle restrict pointed-to vars with multiple subvars
7403         correctly.
7404
7405 2019-02-26  Richard Biener  <rguenther@suse.de>
7406
7407         PR tree-optimization/89489
7408         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7409
7410 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7411
7412         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7413         and move around comment.
7414         <BIT_AND_EXPR>: Likewise.
7415         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7416
7417 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7418
7419         PR target/89474
7420         * config/i386/i386.c (remove_partial_avx_dependency): Call
7421         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7422         after changing possibly many instructions to use that pseudo.  Fix up
7423         insertion of v4sf_const0 setter at the start of bb.
7424
7425 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7426
7427         PR c/80409
7428         * doc/extend.texi (Variadic Pointer Args): New section.
7429
7430 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7431             Martin Sebor  <msebor@gmail.com>
7432
7433         * common.opt (Wattribute-alias): Likewise.
7434         * doc/invoke.texi (Option Summary): List general form of
7435         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7436         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7437         Add cross-references.
7438         (-Wattribute-alias): Rewrite and correct default.  Mention
7439         considered attributes (same as for -Wmissing-attributes).
7440
7441 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7442
7443         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7444         (_mm_cvtpd_ps): Likewise.
7445         (_mm_cvttpd_epi32): Likewise.
7446
7447         PR target/89338
7448         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7449         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7450
7451         PR target/89339
7452         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7453
7454 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7455
7456         PR target/88530
7457         * common/config/aarch64/aarch64-common.c
7458         (struct aarch64_option_extension): Add is_synthetic.
7459         (all_extensions): Use it.
7460         (TARGET_OPTION_INIT_STRUCT): Define hook.
7461         (struct gcc_targetm_common): Moved to end.
7462         (all_extensions_by_on): New.
7463         (opt_ext_cmp, typedef opt_ext): New.
7464         (aarch64_option_init_struct): New.
7465         (aarch64_contains_opt): New.
7466         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7467         * config/aarch64/aarch64-option-extensions.def
7468         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7469         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7470         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7471         Set is_synthetic to false.
7472         (crypto): Set is_synthetic to true.
7473         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7474         SYNTHETIC.
7475
7476 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7477
7478         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7479         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7480         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7481         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7482         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7483         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7484         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7485         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7486         Rename ...
7487         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7488         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7489         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7490         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7491         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7492         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7493         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7494         vfmlsl_laneq_high_f16): ... To this.
7495         * config/arm/neon.md: Update comments.
7496
7497 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7498
7499         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7500         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7501         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7502         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7503         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7504         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7505         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7506         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7507         Rename ...
7508         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7509         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7510         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7511         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7512         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7513         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7514         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7515         vfmlslq_laneq_high_f16): ... To this.
7516
7517 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7518
7519         PR rtl-optimization/86096
7520         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7521         comparing mw_order values.
7522
7523 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7524
7525         PR target/89434
7526         * config/arm/arm.md (*subsi3_carryin_const): Use
7527         arm_neg_immediate_operand predicate instead of
7528         arm_not_immediate_operand, "L" constraint instead of "K" and
7529         print it using %n2 instead of %B2.
7530         (*subsi3_carryin_const0): New define_insn.
7531         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7532         instead of arm_not_operand and "I" constraint instead of "K" and
7533         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7534         another match_operand and in the condition check that it is negation
7535         of operands[2].
7536         (*subsi3_carryin_compare_const0): New define_ins.
7537         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7538         *subsi3_carryin_const.
7539         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7540         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7541
7542         PR target/89438
7543         * config/arm.vfp.md (*negdf2_vfp): Use
7544         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7545         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7546
7547 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7548
7549         PR rtl-optimization/89445
7550         * simplify-rtx.c (simplify_ternary_operation): Don't use
7551         simplify_merge_mask on operands that may trap.
7552         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7553         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7554         second operand is CONST_VECTOR, check if any element could be zero.
7555         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7556         their operands can trap.
7557
7558 2019-02-23  Martin Sebor  <msebor@redhat.com>
7559
7560         * gimple-ssa-sprintf.c (target_strtol): Rename...
7561         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7562         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7563         check for range error.
7564
7565 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7566
7567         PR driver/69471
7568         * opts-common.c (prune_options): Also prune joined switches
7569         with Negative and RejectNegative.
7570         * config/i386/i386.opt (march=): Add Negative(march=).
7571         (mtune=): Add Negative(mtune=).
7572         * doc/options.texi: Document Negative used together with Joined
7573         and RejectNegative.
7574
7575 2019-02-22  Martin Sebor  <msebor@redhat.com>
7576
7577         * doc/extend.texi (Other Builtins): Add
7578         __builtin_is_constant_evaluated.
7579
7580 2019-02-22  Richard Biener  <rguenther@suse.de>
7581
7582         PR tree-optimization/87609
7583         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7584
7585 2019-02-22  Jeff Law  <law@redhat.com>
7586
7587         PR rtl-optimization/87761
7588         * config/mips/mips.md: Add new combiner pattern to recognize
7589         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7590
7591 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7592
7593         PR target/89324
7594         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7595         destination register in peepholes generating patterns for ADDS/SUBS.
7596         (add<mode>3_compare0,
7597         *addsi3_compare0_uxtw, add<mode>3_compareC,
7598         add<mode>3_compareV_imm, add<mode>3_compareV,
7599         *adds_<optab><ALLX:mode>_<GPI:mode>,
7600         *subs_<optab><ALLX:mode>_<GPI:mode>,
7601         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7602         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7603         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7604         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7605         sub<mode>3_compare1): Allow stack pointer for source register.
7606         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7607
7608 2019-02-22  Martin Sebor  <msebor@redhat.com>
7609
7610         PR tree-optimization/88993
7611         PR tree-optimization/88853
7612         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7613         New helper.
7614         (sprintf_dom_walker::call_info::is_string_func): New helper.
7615         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7616         for formatted string functions.
7617         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7618
7619 2019-02-22  Martin Sebor  <msebor@redhat.com>
7620
7621         PR c/89425
7622         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7623         unreachable subexpressions.
7624
7625 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7626             Hongtao Liu  <hongtao.liu@intel.com>
7627             Sunil K Pandey  <sunil.k.pandey@intel.com>
7628
7629         PR target/87007
7630         * config/i386/i386-passes.def: Add
7631         pass_remove_partial_avx_dependency.
7632         * config/i386/i386-protos.h
7633         (make_pass_remove_partial_avx_dependency): New.
7634         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7635         New function.
7636         (pass_data_remove_partial_avx_dependency): New.
7637         (pass_remove_partial_avx_dependency): Likewise.
7638         (make_pass_remove_partial_avx_dependency): Likewise.
7639         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7640         (*extendsfdf2): Add avx_partial_xmm_update.
7641         (truncdfsf2): Likewise.
7642         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7643         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7644
7645 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7646
7647         PR middle-end/85598
7648         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7649         analysis for pass.
7650
7651 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7652
7653         PR target/89444
7654         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7655         (PTA_SKYLAKE): Add PTA_AES.
7656         (PTA_GOLDMONT): Likewise.
7657
7658 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7659
7660         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7661         instruction if enabled.
7662         (aarch64_override_options): Remove reference to return address key.
7663
7664 2019-02-22  Richard Biener  <rguenther@suse.de>
7665
7666         PR tree-optimization/89440
7667         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7668         not necessary assert.
7669
7670 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7671
7672         PR fortran/72741
7673         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7674         (oacc_replace_fn_attrib_attr): ... this new function.
7675         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7676         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7677
7678 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7679
7680         * config/arm/arm-cpus.in (ares): Rename to...
7681         (neoverse-n1): ... This.  Add ares as alias.
7682         * config/arm/arm-tables.opt: Regenerate.
7683         * config/arm/arm-tune.md: Likewise.
7684         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7685
7686 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7687
7688         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7689         * config/aarch64/aarch64-tune.md: Regenerate.
7690         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7691
7692 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7693
7694         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7695         (neoversen1_tunings): ... This.
7696         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7697         (neoverse-n1): New CPU.
7698         * config/aarch64/aarch64-tune.md: Regenerate.
7699         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7700
7701 2019-02-22  Richard Biener  <rguenther@suse.de>
7702
7703         PR middle-end/87609
7704         * cfghooks.h (dependence_hash): New typedef.
7705         (struct copy_bb_data): New type.
7706         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7707         (duplicate_block): Likewise.
7708         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7709         (copy_bbs): Create and pass down copy_bb_data.
7710         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7711         (rtl_duplicate_bb): Likewise.
7712         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7713         remap dependence info.
7714
7715 2019-02-22  Richard Biener  <rguenther@suse.de>
7716
7717         PR tree-optimization/87609
7718         * tree-core.h (tree_base): Document special clique values.
7719         * tree-inline.c (remap_dependence_clique): Do not use the
7720         special clique value of one.
7721         (maybe_set_dependence_info): Use clique one.
7722         (clear_dependence_clique): New callback.
7723         (compute_dependence_clique): Clear clique one from all refs
7724         before assigning it (again).
7725
7726 2019-02-21  Martin Sebor  <msebor@redhat.com>
7727
7728         * doc/extend.texi (__clear_cache): Correct signature.
7729
7730 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7731
7732         PR go/89170
7733         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7734         than output_constant_def.
7735         (add_constant_to_table): New static function.
7736         (output_constant_def): Call add_constant_to_table.
7737         (tree_output_constant_def): Likewise.
7738
7739 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7740
7741         PR c++/89285
7742         * builtins.c (fold_builtin_arith_overflow): If first two args are
7743         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7744         to ifn.
7745
7746 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7747
7748         PR target/87412
7749         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7750         error for -mindirect-branch/-mfunction-return with incompatible
7751         -fcf-protection.
7752
7753 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7754
7755         PR bootstrap/88714
7756         * constraints.md (q): Remove.
7757         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7758         instead of q.
7759
7760 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7761
7762         PR hsa/89302
7763         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7764         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7765         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7766         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7767         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7768         proper values to new parameters of omp_adjust_for_condition.
7769
7770 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7771
7772         PR middle-end/89412
7773         * expr.c (expand_assignment): If result is a MEM, use change_address
7774         instead of simplify_gen_subreg.
7775
7776 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7777             David Malcolm  <dmalcolm@redhat.com>
7778
7779         PR middle-end/89091
7780         * fold-const.c (decode_field_reference): Return NULL_TREE if
7781         lang_hooks.types.type_for_size returns NULL.  Check it before
7782         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7783
7784 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7785
7786         PR middle-end/88074
7787         PR middle-end/89415
7788         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7789         buggy mpc_norm.
7790
7791 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7792
7793         PR target/89397
7794         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7795         TARGET_SSE in addition to TARGET_SSE_MATH.
7796
7797         (ix86_excess_precision): Ditto.
7798         (ix86_float_exceptions_rounding_supported_p): Ditto.
7799         (use_rsqrt_p): Ditto.
7800         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7801
7802 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7803
7804         PR c/89410
7805         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7806         linenum_arith_t when determining if two adjacent line spans are
7807         close enough to merge.
7808         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7809         lines within each line_span.
7810
7811 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7812
7813         PR target/86487
7814         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7815         paradoxical SUBREGS.
7816
7817 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7818
7819         PR target/88100
7820         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7821         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7822         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7823         range checking it.
7824
7825 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7826
7827         * config/gcn/gcn.c (print_operand): Fix typo.
7828
7829 2019-02-19  Richard Biener  <rguenther@suse.de>
7830
7831         PR middle-end/88074
7832         * toplev.c (do_compile): Initialize mpfr's exponent range
7833         based on available float modes.
7834
7835 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7836
7837         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7838         as long as the epilogue isn't completed.
7839
7840 2019-02-18  Martin Sebor  <msebor@redhat.com>
7841
7842         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7843         __has_cpp_attribute, and __has_include.
7844
7845 2019-02-18  Martin Sebor  <msebor@redhat.com>
7846
7847         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7848
7849 2019-02-18  Martin Sebor  <msebor@redhat.com>
7850
7851         PR middle-end/89294
7852         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7853         expression.
7854         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7855
7856 2019-02-18  Richard Biener  <rguenther@suse.de>
7857
7858         PR tree-optimization/89296
7859         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7860         of no-warning flag to cases that might emit the bogus warning.
7861
7862 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7863
7864         PR bootstrap/88714
7865         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7866         "q" constraint.
7867         * config/arm/vfp.md (*movdi_vfp): Likewise.
7868         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7869         "q" constraint for operands[0].
7870
7871         PR target/89369
7872         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7873         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7874         pattern in a temporary buffer.
7875         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7876         than 64-operands[2].
7877
7878         PR target/89361
7879         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7880         s390_indirect_branch_settings): Define unconditionally.
7881         (s390_set_current_function): Likewise, but guard the whole body except
7882         the s390_indirect_branch_settings call with
7883         #if S390_USE_TARGET_ATTRIBUTE.
7884         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7885
7886         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7887         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7888         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7889         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7890         HOST_WIDE_INT_1U instead of 1ULL.
7891         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7892         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7893         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7894         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7895         instead of 1UL.
7896         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7897         instead of 1ul.
7898
7899 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7900
7901         PR tree-optimization/89209
7902         * tree-sra.c (create_access_replacement): New optional parameter
7903         reg_tree.  Use it as a type if non-NULL and access type is not of
7904         a register type.
7905         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7906         to create_access_replacement.
7907         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7908         Check lacc is non-NULL before attempting to re-create it on the RHS.
7909
7910 2019-02-18  Martin Liska  <mliska@suse.cz>
7911
7912         PR ipa/89306
7913         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7914         by default.
7915         (symbol_table::free_edge): Recycle m_summary_id.
7916         * cgraph.h (get_summary_id): New.
7917         (symbol_table::release_symbol): Set m_summary_id to -1
7918         by default.
7919         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7920         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7921         function_summary to fast_function_summary.
7922         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7923         * ipa-pure-const.c (class funct_state_summary_t):
7924         Switch from function_summary to fast_function_summary.
7925         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7926         (class ipa_ref_opt_summary_t): Switch from function_summary
7927         to fast_function_summary.
7928         * symbol-summary.h (class function_summary_base): New class
7929         that is created from base of former function_summary.
7930         (function_summary_base::unregister_hooks): New.
7931         (class function_summary): Inherit from function_summary_base.
7932         (class call_summary_base): New class
7933         that is created from base of former call_summary.
7934         (class call_summary): Inherit from call_summary_base.
7935         (struct is_same): New.
7936         (class fast_function_summary): New summary class.
7937         (class fast_call_summary): New summary class.
7938         * vec.h (vec_safe_grow_cleared): New function.
7939
7940 2019-02-18  Martin Liska  <mliska@suse.cz>
7941
7942         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7943         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7944         * doc/tm.texi: Document new target hook.
7945         * doc/tm.texi.in: Likewise.
7946         * target.def: Add new target macro.
7947         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7948         suffixes.
7949
7950 2019-02-17  Alan Modra  <amodra@gmail.com>
7951
7952         PR target/89271
7953         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7954         output reg on add insn.
7955         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7956
7957 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7958
7959         PR target/89372
7960         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7961         (PMULHRSW): Likewise.
7962         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7963         TARGET_AVX2.
7964         (ssse3_pmulhrswv4hi3): New expander.
7965
7966 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7967
7968         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7969         MMX.  Add isa attribute.
7970
7971 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7972
7973         PR rtl-optimization/66152
7974         * builtins.h (c_readstr): Declare.
7975         * builtins.c (c_readstr): Remove forward declaration.  Add
7976         null_terminated_p argument, if false, read all bytes from the
7977         string instead of stopping after '\0'.
7978         * expr.c (string_cst_read_str): New function.
7979         (store_expr): Use string_cst_read_str instead of
7980         builtin_strncpy_read_str.  Try to store by pieces the whole
7981         exp_len first, and only if that fails, split it up into
7982         store by pieces followed by clear_storage.  Formatting fix.
7983
7984         * config/i386/i386.md (*movqi_internal): Remove static from
7985         buf variable.  Use output_asm_insn (buf, operands); return "";
7986         instead of return buf;.
7987         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7988         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7989         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7990
7991 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7992
7993         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7994         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7995         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7996         (CC1_SPEC): Likewise.
7997         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7998
7999 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8000
8001         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8002         the base address on 64-bit strict-alignment platforms.
8003
8004 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8005
8006         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8007
8008 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8009
8010         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8011
8012 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8013
8014         PR rtl-optimization/88308
8015         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8016         on copied instruction.
8017
8018 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8019
8020         * final.c (insn_current_reference_address): Replace test on JUMP_P
8021         with test on jump_to_label_p.
8022         * config/visium/visium-passes.def: New file.
8023         * config/visium/t-visium (PASSES_EXTRA): Define.
8024         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8025         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8026         (TRAMPOLINE_ALIGNMENT): Define.
8027         * config/visium/visium.c (visium_option_override): Do not register
8028         the machine-specific reorg pass here.
8029         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8030         for the GR6.
8031         (output_branch): Adjust threshold for long branch instruction.
8032         * config/visium/visium.md (cpu): Move around.
8033         (length): Adjust for the GR6.
8034
8035 2019-02-15  Richard Biener  <rguenther@suse.de>
8036             Jakub Jelinek  <jakub@redhat.com>
8037
8038         PR tree-optimization/89278
8039         * tree-loop-distribution.c: Include tree-eh.h.
8040         (generate_memset_builtin, generate_memcpy_builtin): Call
8041         rewrite_to_non_trapping_overflow on builtin->size before passing it
8042         to force_gimple_operand_gsi.
8043
8044 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8045
8046         PR other/89342
8047         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8048         optimize_debug.
8049         * opth-gen.awk: Likewise.
8050
8051 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8052
8053         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8054         Enable MMX, SSE and SSE2 by default.
8055         * config/i386/i386.c (ix86_option_override_internal): Do not
8056         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8057
8058 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8059
8060         PR rtl-optimization/89354
8061         * combine.c (make_extraction): Punt if extraction_mode is narrower
8062         than len bits.
8063
8064 2019-02-14  Maya Rashish  <coypu@sdf.org>
8065
8066         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8067         * config/netbsd-d.c: New file.
8068         * config/t-netbsd: Add netbsd-d.o
8069
8070 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8071
8072         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8073         affects_type_identity to true for aarch64_vector_pcs.
8074         (aarch64_comp_type_attributes): New function.
8075         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8076
8077 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8078
8079         PR target/88850
8080         * config/arm/iterators.md (ANY64): Add V4HF.
8081
8082 2019-02-14  Martin Liska  <mliska@suse.cz>
8083
8084         PR rtl-optimization/89242
8085         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8086         process a transformation.
8087
8088 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8089
8090         PR tree-optimization/89314
8091         * fold-const.c (fold_binary_loc): Cast strlen argument to
8092         const char * before dereferencing it.  Formatting fixes.
8093
8094         PR middle-end/89284
8095         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8096
8097 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8098
8099         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8100         and set current index for other optimizations.
8101
8102 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8103
8104         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8105         nonimmediate_operand as operand 2 predicate.
8106         (vec_set<VF2_512_256:mode>_0): Ditto.
8107         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8108         (*vec_concatv2si): Remove alternative 2.
8109         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8110         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8111         (vec_concatv2di): Split alternatives 4,5,6 to ...
8112         (*vec_concatv2di_0) ... new pattern.
8113
8114 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8115
8116         PR target/89190
8117         * config/arm/arm.c (ldm_stm_operation_p) Set
8118         addr_reg_in_reglist correctly for first register.
8119         (load_multiple_sequence): Remove dead base check.
8120         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8121
8122 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8123
8124         PR target/88847
8125         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8126         Expose as @aarch64_pred_mov.
8127         * config/aarch64/aarch64.c (aarch64_classify_address):
8128         Use expand_insn which legitimizes operands.
8129
8130 2019-02-13  Martin Liska  <mliska@suse.cz>
8131
8132         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8133         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8134         and pointer_offset fields.
8135         (initialize_argument_information): Remove usage of dead
8136         fields.
8137         * cgraph.h (struct cgraph_thunk_info): Remove
8138         add_pointer_bounds_args.
8139         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8140         fields.
8141         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8142         fields.
8143         * config/i386/i386.c (ix86_function_arg_advance): Remove
8144         unrelated comment.
8145         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8146         (def_builtin):  Remove usage of dead
8147         fields.
8148         (ix86_add_new_builtins): Likewise.
8149         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8150         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8151         (sem_function::init): Likewise.
8152         (sem_variable::merge): Likewise.
8153         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8154         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8155         * lto-cgraph.c (lto_output_node): Likewise.
8156         (lto_output_varpool_node): Likewise.
8157         (input_node): Likewise.
8158         (input_varpool_node): Likewise.
8159         * lto-streamer-out.c (lto_output): Likewise.
8160         * tree-inline.c (expand_call_inline): Remove usage of
8161         assign_stmts.
8162         * tree-inline.h (struct copy_body_data): Likewise.
8163         * varpool.c (varpool_node::dump): Likewise.
8164
8165 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8166
8167         PR middle-end/89303
8168         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8169         into pt->vars_contains_escaped_heap instead of setting
8170         pt->vars_contains_escaped_heap to it.
8171
8172         PR middle-end/89281
8173         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8174         INTVAL (size), compare it to GET_MODE_MASK instead of
8175         1 << GET_MODE_BITSIZE.
8176
8177         PR target/89290
8178         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8179         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8180         -mcmodel=large.
8181
8182 2019-02-13  Martin Liska  <mliska@suse.cz>
8183
8184         PR lto/88858
8185         * cfgrtl.c (remove_barriers_from_footer): New function.
8186         (try_redirect_by_replacing_jump): Use it.
8187         (cfg_layout_redirect_edge_and_branch): Likewise.
8188
8189 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8190
8191         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8192         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8193         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8194         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8195         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8196         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8197         New BU_CRYPTO_2.
8198         * config/rs6000/rs6000.c (builtin_function_type)
8199         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8200         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8201         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8202         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8203         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8204
8205 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8206
8207         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8208         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8209
8210 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8211
8212         PR target/89229
8213         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8214         268678 and revision 268657.
8215         (*movti_internal): Likewise.
8216
8217 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8218
8219         PR target/89233
8220         * config/s390/s390.c (s390_decompose_address): Update comment.
8221         (s390_check_qrst_address): Reject invalid address forms after
8222         LRA.
8223
8224 2019-02-12  Martin Liska  <mliska@suse.cz>
8225
8226         PR lto/88876
8227         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8228         we need default values of funct_state for a function that
8229         is not optimized.
8230
8231 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8232
8233         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8234         the object to pick the size of stores on strict-alignment platforms.
8235
8236         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8237         (*movdi_insn_sp32): Likewise.
8238         (*movdi_insn_sp64): Likewise.
8239
8240 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8241
8242         PR lto/88677
8243         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8244         types that needs constructiong.
8245         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8246
8247 2019-02-12  Richard Biener  <rguenther@suse.de>
8248
8249         PR tree-optimization/89253
8250         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8251         duplicate the loop.
8252
8253 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8254
8255         PR lto/88147
8256         * input.c (selftest::test_line_offset_overflow): New selftest.
8257         (selftest::input_c_tests): Call it.
8258
8259 2019-02-11  Martin Sebor  <msebor@redhat.com>
8260
8261         PR tree-optimization/88771
8262         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8263         when -Wstringop-overflow is set.
8264         (builtin_memref::builtin_memref): Adjust excessive upper bound
8265         only when lower bound is not excessive.
8266         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8267         -Wstringop-ovefflow.
8268         (maybe_diag_offset_bounds): Rename...
8269         (maybe_diag_access_bounds): ...to this.
8270         (check_bounds_or_overlap): Adjust for name change above.
8271
8272 2019-02-11  Martin Sebor  <msebor@redhat.com>
8273
8274         PR c++/87996
8275         * builtins.c (max_object_size): Move from here...
8276         * builtins.h (max_object_size): ...and here...
8277         * tree.c (max_object_size): ...to here...
8278         * tree.h (max_object_size): ...and here.
8279
8280 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8281
8282         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8283         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8284         for correct semantics.
8285
8286 2019-02-11  Alan Modra  <amodra@gmail.com>
8287
8288         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8289         -mlongcall and -mpltseq.
8290         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8291         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8292         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8293         * config/rs6000/sysv4.opt (mpltseq): New option.
8294         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8295         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8296         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8297         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8298         -mpltseq given for ELFv1.
8299         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8300         Only use UNSPEC_PLTSEQ for inline PLT calls.
8301         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8302         use UNSPEC_PLTSEQ for inline PLT calls.
8303         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8304         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8305         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8306         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8307         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8308         (pltseq_mtctr_<mode>): Likewise.
8309
8310 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8311
8312         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8313         Solaris ld.
8314         * configure: Regenerate.
8315
8316 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8317
8318         PR bootstrap/88714
8319         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8320         instead of r.
8321
8322 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8323
8324         * function.c (assign_parm_setup_block): Use the stored
8325         size, not the passed size, when allocating stack-space,
8326         also for a parameter with alignment larger than
8327         MAX_SUPPORTED_STACK_ALIGNMENT.
8328
8329 2019-02-11  Martin Liska  <mliska@suse.cz>
8330
8331         PR ipa/89009
8332         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8333         * ipa-inline.c (inline_small_functions): Likewise.
8334         * ipa-pure-const.c (propagate_pure_const): Likewise.
8335         (propagate_nothrow): Likewise.
8336         * ipa-reference.c (propagate): Likewise.
8337         * ipa-utils.c (struct searchc_env): Remove unused field.
8338         (searchc): Always search across AVAIL_INTERPOSABLE.
8339         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8340         the only called IPA pure const can properly not propagate
8341         across interposable boundary.
8342         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8343
8344 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8345
8346         * config/nds32/nds32.md (call_internal, call_value_internal,
8347         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8348
8349 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8350
8351         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8352         typo.
8353
8354 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8355
8356         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8357         in comments
8358
8359 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8360
8361         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8362
8363 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8364
8365         PR tree-optimization/89268
8366         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8367         if preds is non-NULL.
8368
8369 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8370
8371         PR lto/89272
8372         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8373         polymorphic types.
8374
8375 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8376
8377         * config/nds32/nds32.md (trap): New pattern.
8378
8379 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8380
8381         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8382         dwarf span.
8383
8384 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8385
8386         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8387         to split POST_INC.
8388
8389 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8390
8391         * ipa-visibility.c (localize_node): Also do not localize
8392         LDPR_PREVAILING_DEF_IRONLY_EXP.
8393
8394 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8395
8396         PR lto/87957
8397         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8398         instead of type_with_linkage.
8399
8400 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8401
8402         PR ipa/88755
8403         * params.def (uninlined-function-insns, uninlined-function-time,
8404         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8405         bound so we don't get overflows.
8406
8407 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8408
8409         * config/rs6000/rs6000-string.c (expand_compare_loop,
8410         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8411         memcmp/strncmp.
8412
8413 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8414
8415         PR middle-end/89246
8416         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8417         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8418         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8419
8420 2019-02-09  Alan Modra  <amodra@gmail.com>
8421
8422         PR target/88343
8423         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8424         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8425         setup.
8426
8427 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8428
8429         PR middle-end/88560
8430         * lra-constraints.c (process_alt_operands): Don't increase reject
8431         for memory when offset memory is required.
8432
8433 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8434
8435         * config/s390/vector.md: Implement vector copysign.
8436
8437 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8438
8439         * expr.c (expand_constructor): Correct indentations.
8440
8441 2019-02-08  Richard Biener  <rguenther@suse.de>
8442
8443         PR tree-optimization/89247
8444         * tree-if-conv.c: Include tree-cfgcleanup.h.
8445         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8446         (tree_if_conversion): Pass through predicate vector.
8447         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8448         inline, see if any if-converted loops we refrece in
8449         LOOP_VECTORIZED calls vanished and fixup.
8450         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8451
8452 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8453
8454         * config/s390/constraints.md (jdd): New constraint.
8455
8456 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8457
8458         PR target/89229
8459         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8460         upper 16 vector registers without TARGET_AVX512VL.
8461         (*movti_internal): Likewise.
8462
8463 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8464
8465         PR rtl-optimization/89234
8466         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8467         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8468         (copy_reg_eh_region_note_backward): Likewise.
8469
8470 2019-02-08  Richard Biener  <rguenther@suse.de>
8471
8472         PR middle-end/89223
8473         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8474         doesn't fit in HWI.
8475         (analyze_subscript_affine_affine): Handle failure from
8476         initialize_matrix_A.
8477
8478 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8479
8480         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8481         cfun everywhere.
8482
8483 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8484
8485         PR tree-optimization/86637
8486         PR tree-optimization/89235
8487         * tree-vect-loop.c (optimize_mask_stores): Add an
8488         auto_purge_vect_location sentinel to ensure that vect_location is
8489         purged on exit.
8490         * tree-vectorizer.c
8491         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8492         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8493         to ensure that vect_location is purged on exit.
8494         (pass_slp_vectorize::execute): Likewise, replacing the manual
8495         reset.
8496         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8497
8498 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8499
8500         * config/aarch64/iterators.md (max_opp): New code_attr.
8501         (USMAX): New code iterator.
8502         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8503         (aarch64_smax): Likewise.
8504         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8505         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8506         MINUS (MAX MIN).
8507
8508 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8509
8510         PR target/89229
8511         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8512         for TARGET_AVX512VL.
8513         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8514
8515 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8516
8517         * config/s390/s390-builtin-types.def: Add new types.
8518         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8519         (s390_vec_xlw4): Make the memory operand into a const pointer.
8520         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8521         float.
8522         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8523         a new vector type with the alignment of the scalar memory operand.
8524
8525 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8526             Jakub Jelinek  <jakub@redhat.com>
8527
8528         PR bootstrap/88714
8529         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8530         arm_count_ldrdstrd_insns): New declarations.
8531         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8532         MINUS.
8533         (valid_operands_ldrd_strd): New function.
8534         (arm_count_ldrdstrd_insns): New function.
8535         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8536         sets instead of single DImode set and define new insns to match this.
8537
8538 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8539
8540         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8541         Make it a C initializer.
8542
8543 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8544
8545         PR/target 88850
8546         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8547
8548 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8549
8550         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8551         Use neon_dot<q> for type.
8552         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8553
8554 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8555
8556         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8557         Use neon_dot<q> for type.
8558         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8559         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8560
8561 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8562
8563         PR rtl-optimization/89225
8564         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8565         sizes check.
8566
8567 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8568
8569         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8570         after restoring registers saved to allocate the frame on Windows.
8571
8572 2019-02-06  Richard Biener  <rguenther@suse.de>
8573
8574         PR tree-optimization/89182
8575         * graphite.h (cached_scalar_evolution_in_region): Declare.
8576         * graphite.c (struct seir_cache_key): New.
8577         (struct sese_scev_hash): Likewise.
8578         (seir_cache): New global.
8579         (cached_scalar_evolution_in_region): New function.
8580         (graphite_transform_loops): Allocate and release seir_cache.
8581         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8582         cached_scalar_evolution_in_region.
8583         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8584         Simplify.
8585         (scop_detection::graphite_can_represent_expr: Use
8586         cached_scalar_evolution_in_region.
8587         (scop_detection::stmt_simple_for_scop_p): Likewise.
8588         (find_params_in_bb): Likewise.
8589         (gather_bbs::before_dom_children): Likewise.
8590         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8591         (add_loop_constraints): Likewise.
8592
8593 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8594
8595         PR middle-end/89210
8596         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8597         operand to new_unary_operation only if both element types are integral
8598         and it isn't a widening conversion.  Return NULL_TREE if
8599         new_unary_operation failed.
8600
8601 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8602
8603         PR target/88856
8604         * config/s390/s390.md: Remove load and test FP splitter.
8605
8606 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8607
8608         PR target/89112
8609         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8610         expand_compare_loop, expand_block_compare_gpr,
8611         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8612         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8613         #include "profile-count.h" and "predict.h" for types and functions
8614         needed to work with REG_BR_PROB notes.
8615
8616 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8617
8618         PR target/89112
8619         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8620         for the long branch case.
8621
8622 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8623
8624         PR target/89188
8625         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8626         can throw, non-call exceptions are enabled and we can't delete
8627         dead exceptions or alter cfg.  Set must_clean if
8628         delete_insn_and_edges returns true, don't set it blindly for calls.
8629         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8630
8631         PR rtl-optimization/89195
8632         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8633         of the original MEM.
8634
8635 2019-02-05  Martin Liska  <mliska@suse.cz>
8636
8637         PR gcov-profile/89000
8638         * gcov.c (function_summary): Remove argument.
8639         (file_summary): New function.
8640         (print_usage): Replace tabs with spaces.
8641         (generate_results): Use new function file_summary.
8642
8643 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8644
8645         PR target/89186
8646         * optabs.c (prepare_cmp_insn): Pass x and y to
8647         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8648
8649 2019-02-05  Richard Biener  <rguenther@suse.de>
8650
8651         PR middle-end/89150
8652         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8653         (struct bitmap_element): Drop chain_prev so we properly recurse on
8654         the prev member, supporting tree views.
8655         (struct bitmap_head): GTY skip the obstack member.
8656
8657 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8658
8659         PR c/88698
8660         * doc/extend.texi (Vector Extensions): Add an example of using vector
8661         types together with x86 intrinsics.
8662
8663 2019-02-04  Alan Modra  <amodra@gmail.com>
8664
8665         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8666         str[] size to 160, and comment.
8667
8668 2019-02-04  Alan Modra  <amodra@gmail.com>
8669
8670         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8671         (rs6000_pltseq_template): Guard output of TLS markers with
8672         TARGET_TLS_MARKERS.
8673         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8674         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8675         to use inline PLT sequences.
8676         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8677         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8678         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8679
8680 2019-02-04  Martin Liska  <mliska@suse.cz>
8681
8682         PR ipa/88985
8683         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8684         out when ipa_fn_summaries does not contain entry for callee.
8685
8686 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8687
8688         * config/sparc/sparc.h: Remove superfluous blank lines.
8689         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8690         (got_register_rtx): ...this.
8691         (sparc_got): Adjust to above renaming.
8692         (sparc_tls_got): Likewise.
8693         (sparc_delegitimize_address): Likewise.
8694         (sparc_output_mi_thunk): Likewise.
8695         (sparc_init_pic_reg): Likewise.
8696         (save_local_or_in_reg_p): Fix test on the GOT register.
8697         (USE_HIDDEN_LINKONCE): Move around.
8698         (get_pc_thunk_name): Likewise.
8699         (gen_load_pcrel_sym): Likewise.
8700         (load_got_register): Likewise.
8701
8702 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8703
8704         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8705         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8706
8707 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8708
8709         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8710         into consideration.
8711
8712 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8713
8714         * config.gcc (with_nds32_lib, glibc):
8715         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8716         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8717         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8718
8719 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8720
8721         PR target/89071
8722         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8723         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8724         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8725         (*rcpsf2_sse): Ditto.
8726         (*rsqrtsf2_sse): Ditto.
8727         (sse4_1_round<mode<2): Ditto.
8728
8729 2019-02-03  Richard Biener  <rguenther@suse.de>
8730
8731         PR debug/87295
8732         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8733         orig.
8734
8735 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8736
8737         PR middle-end/87887
8738         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8739         Punt with warning on aggregate return or argument types.  Ignore
8740         type/mode checking for uniform arguments.
8741
8742 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8743
8744         * combine.c (try_combine): Do not print "Can't combine" messages unless
8745         printing failed combination attempts.
8746
8747 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8748
8749         PR hsa/87863
8750         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8751         segment and global segment variables before making them static.
8752
8753 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8754
8755         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8756         missed optimization dump with dump_enabled_p.
8757
8758 2019-02-01  Richard Biener  <rguenther@suse.de>
8759
8760         PR middle-end/88597
8761         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8762         the instantiate cache.
8763         (instantiate_scev_binary): Elide second operand procesing
8764         if equal to the first.
8765         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8766         (chrec_contains_undetermined): Likewise.
8767         (tree_contains_chrecs): Likewise.
8768
8769 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8770
8771         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8772
8773 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8774
8775         PR tree-optimization/89143
8776         * wide-int-range.h (wide_int_range_absu): Declare.
8777         * wide-int-range.cc (wide_int_range_absu): New function.
8778         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8779
8780         PR tree-optimization/88107
8781         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8782         instead of assertion that eh_region_outermost is non-NULL, if it
8783         is NULL, set *ALL to true and return NULL.
8784         (move_sese_region_to_fn): Adjust caller, if all is set, call
8785         duplicate_eh_regions with NULL region.
8786
8787 2019-02-01  Richard Biener  <rguenth@suse.de>
8788
8789         PR rtl-optimization/88593
8790         * mode-switching.c (optimize_mode_switching): Free dominators before
8791         calling cleanup_cfg.
8792
8793 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8794
8795         PR tree-optimization/88932
8796         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8797
8798 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8799
8800         PR middle-end/89137
8801         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8802         bogus clang warning.
8803
8804 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8805
8806         PR target/89071
8807         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8808         alternative to avoid partial SSE register stall for TARGET_AVX.
8809         (truncdfsf2): Ditto.
8810         (sse4_1_round<mode>2): Ditto.
8811
8812 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8813
8814         PR tree-optimization/89008
8815         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8816         process anything of the form X * 0.
8817
8818 2019-01-31  Richard Biener  <rguenther@suse.de>
8819
8820         PR tree-optimization/89135
8821         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8822         with abnormal preds.
8823
8824 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8825
8826         PR sanitizer/89124
8827         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8828         always_inline callees into no_sanitize_address callers.
8829
8830 2019-01-31  Richard Biener  <rguenther@suse.de>
8831
8832         PR rtl-optimization/89115
8833         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8834
8835 2019-01-30  Martin Sebor  <msebor@redhat.com>
8836
8837         PR other/89106
8838         * doc/extend.texi (cast to a union): Correct and expand.
8839
8840 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8841
8842         PR rtl-optimization/87246
8843         * lra-constraints.c (simplify_operand_subreg): Reload memory
8844         in subreg if the address became invalid.
8845
8846 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8847
8848         PR target/87064
8849         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8850         Disable for little-endian.
8851
8852 2019-01-30  Richard Biener  <rguenther@suse.de>
8853
8854         PR rtl-optimization/89115
8855         * opts.c (default_options_optimization): Reduce
8856         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8857         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8858         to the default.
8859
8860 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8861
8862         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8863         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8864         type of vector element when vec_extract is implemented by direct
8865         move.
8866
8867 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8868
8869         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8870
8871 2019-01-30  Richard Biener  <rguenther@suse.de>
8872
8873         PR tree-optimization/89111
8874         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8875         canonicalization to appropriately sized access types.
8876
8877 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8878
8879         PR c++/89105
8880         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8881         for arguments to functions that are TU-local and shouldn't be
8882         referenced by assembly.
8883
8884 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8885
8886         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8887         after '='.
8888
8889 2019-01-29  Martin Sebor  <msebor@redhat.com>
8890
8891         PR c/88956
8892         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8893
8894 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8895
8896         PR c++/66676
8897         PR ipa/89104
8898         * omp-simd-clone.c (simd_clone_clauses_extract)
8899         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8900         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8901
8902 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8903
8904         * config.gcc: Force .init_array for ARC.
8905
8906 2019-01-29  Richard Biener  <rguenther@suse.de>
8907
8908         PR debug/87295
8909         * dwarf2out.c (collect_skeleton_dies): New helper.
8910         (copy_decls_for_unworthy_types): Call it.
8911         (build_abbrev_table): Assert we do not try to replace
8912         DW_AT_signature refs with local refs.
8913
8914 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8915
8916         PR middle-end/89002
8917         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8918         for lastprivate/linear IV, push gimplify context around gimplify_assign
8919         and, if it needed any temporaries, pop it into a gimple bind around the
8920         sequence.
8921
8922 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8923
8924         * common.opt (-Wattribute-alias): Remove "no-" from name.
8925         Make -Wattribute-alias command line option and
8926         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8927
8928 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8929
8930         PR target/89073
8931         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8932         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8933         x86 ISA options.
8934         (bmi2): Add missing @opindex.
8935         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8936         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8937         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8938         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8939         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8940         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8941         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8942         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8943         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8944         xsavec, xsaveopt and xsaves options.
8945
8946 2019-01-28  Richard Biener  <rguenther@suse.de>
8947
8948         PR debug/89076
8949         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8950         support removal.
8951
8952 2019-01-28  Richard Biener  <rguenther@suse.de>
8953
8954         PR tree-optimization/88739
8955         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8956         BIT_FIELD_REFs only are applied to mode-precision operands
8957         when they are integral.
8958         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8959         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8960         BIT_FIELD_REFs of non-mode-precision integral operands.
8961
8962 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8963
8964         PR target/87214
8965         * config/i386/sse.md
8966         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8967         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8968         first constants in pairs are multiples of 2.  Formatting fixes.
8969         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8970         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8971         first constants in each quadruple are multiples of 4.  Formatting fixes.
8972
8973 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8974
8975         PR ipa/88933
8976         * tree-inline.c: Include tree-cfgcleanup.h.
8977         (delete_unreachable_blocks_update_callgraph): Move...
8978         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8979         ...here, make externally visible, make second argument bool, adjust
8980         all callers.
8981         * tree-cfgcleanup.c: Include cgraph.h.
8982         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8983         Declare.
8984         * ipa-prop.c: Include tree-cfgcleanup.h.
8985         (ipcp_transform_function): Call
8986         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8987
8988 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8989
8990         PR rtl-optimization/88846
8991         * ira.c (process_set_for_memref_referenced_p): New.
8992         (memref_referenced_p): Add new param.  Use
8993         process_set_for_memref_referenced_p.  Add new switch cases.
8994         (memref_used_between_p): Pass new arg to memref_referenced_p.
8995
8996 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8997
8998         PR target/88469
8999         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9000         argument ABI_BREAK.  Set to true if the calculated alignment has
9001         changed in gcc-9.  Check bit-fields for their base type alignment.
9002         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9003         (aarch64_function_arg_boundary): Likewise.
9004         (aarch64_gimplify_va_arg_expr): Likewise.
9005
9006 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9007
9008         PR middle-end/89037
9009         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9010         instead of accessing TREE_INT_CST_ELT directly.
9011
9012 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9013
9014         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9015         fenv_exceptions description.
9016
9017 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9018
9019         PR rtl-optimization/87763
9020         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9021         Allow SUBREG when matching CC_NZmode compare.
9022
9023 2019-01-25  Richard Biener  <rguenther@suse.de>
9024
9025         PR tree-optimization/89049
9026         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9027         Look at the pattern stmt to determine if the stmt is vectorized.
9028
9029 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9030
9031         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9032         (pred_mov<mode>): Handle all-register forms using both a new
9033         alternative and a split.
9034
9035 2019-01-25  Richard Biener  <rguenther@suse.de>
9036
9037         PR tree-optimization/86865
9038         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9039         Reject non-do-while loops.
9040
9041 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9042
9043         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9044         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9045         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9046         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9047         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9048         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9049         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9050         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9051         vlogical_operand, gpc_reg_operand, int_reg_operand,
9052         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9053         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9054         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9055         (save_world_operation, restore_world_operation, lmw_operation,
9056         stmw_operation): Use MEM_P and REG_P.
9057         (tie_operand): Use MEM_P.
9058         (vrsave_operation, crsave_operation): Use REG_P.
9059         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9060         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9061         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9062         (call_operand): Use HARD_REGISTER_P.
9063         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9064         Use CONST_INT_P.
9065         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9066         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9067         quad_aligned_load_p, replace_swapped_aligned_store,
9068         recombine_lvx_pattern, replace_swapped_aligned_load,
9069         recombine_stvx_pattern): Use MEM_P.
9070         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9071         Use MEM_P and SYMBOL_REF_P.
9072         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9073         (insn_is_swappable_p): Use REG_P and MEM_P.
9074         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9075         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9076         Use CONST_INT_P.
9077         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9078         Use CONST_DOUBLE_P.
9079         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9080         CONST_WIDE_INT_P.
9081         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9082         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9083         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9084         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9085         reg_or_subregno:
9086         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9087         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9088         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9089         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9090         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9091         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9092         rs6000_split_logical_di): Use CONST_INT_P.
9093         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9094         REG_P and SYMBOL_REF_P.
9095         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9096         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9097         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9098         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9099         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9100         (small_data_operand, print_operand_address): Use CONST_INT_P and
9101         SYMBOL_REF_P.
9102         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9103         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9104         Use HARD_REGISTER_NUM_P.
9105         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9106         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9107         SUBREG_P and SYMBOL_REF_P.
9108         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9109         and HARD_REGISTER_NUM_P.
9110         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9111         reg_or_subregno.
9112         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9113         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9114         MEM_P and REG_P.
9115         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9116         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9117         find_addr_reg): Use REG_P.
9118         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9119         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9120         (offsettable_ok_by_alignment, constant_pool_expr_p,
9121         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9122         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9123         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9124         rs6000_assemble_integer, create_TOC_reference,
9125         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9126         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9127         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9128         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9129         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9130         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9131         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9132         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9133         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9134         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9135         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9136         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9137         and cbranch<mode>4): Use CONST_INT_P.
9138         (multiple define_splits): Use REG_P and SUBREG_P.
9139         (define_expands call, call_value): Use MEM_P.
9140         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9141         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9142         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9143         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9144         and HARD_REGISTER_NUM_P.
9145         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9146
9147 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9148
9149         PR rtl-optimization/88948
9150         * rtl.h (prepare_copy_insn): New prototype.
9151         * gcse.c (prepare_copy_insn): New function, split out from
9152         process_insert_insn.
9153         (process_insert_insn): Use prepare_copy_insn.
9154         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9155         instead of gen_move_insn.
9156
9157 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9158
9159         PR debug/89006
9160         * config/i386/i386.c (ix86_pic_register_p): Return true for
9161         UNSPEC_SET_GOT too.
9162
9163         PR tree-optimization/88964
9164         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9165         punt if HONOR_SNANS (chrec).
9166
9167         PR middle-end/89015
9168         * tree-nested.c (convert_nonlocal_reference_stmt,
9169         convert_local_reference_stmt, convert_tramp_reference_stmt,
9170         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9171         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9172         or GIMPLE_OMP_TASK.
9173
9174         PR tree-optimization/89027
9175         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9176         for "omp simd array" variables.
9177
9178 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9179
9180         PR target/88469
9181         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9182         force the alignment of m_val.
9183
9184 2019-01-24  Richard Biener  <rguenther@suse.de>
9185
9186         PR lto/87187
9187         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9188         When in "legacy" debug mode make sure to reset self-origins.
9189
9190 2019-01-24  Martin Liska  <mliska@suse.cz>
9191
9192         PR gcov-profile/88994
9193         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9194         result will be always smaller or equal to the original.
9195         * gcov.c (mangle_name): Fix else branch where we should
9196         also copy to PTR and shift the pointer.
9197
9198 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9199
9200         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9201         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9202
9203 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9204
9205         * common/config/i386/i386-common.c
9206         (OPTION_MASK_ISA_ENQCMD_SET,
9207         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9208         (ix86_handle_option): Handle -menqcmd.
9209         * config.gcc (enqcmdintrin.h): New header file.
9210         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9211         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9212         -menqcmd.
9213         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9214         function type.
9215         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9216         __builtin_ia32_enqcmds): New builtins.
9217         * config/i386/i386-c.c (__ENQCMD__): New macro.
9218         * config/i386/i386-option.c (ix86_target_string): Add
9219         -menqcmd.
9220         (ix86_valid_target_attribute_inner_p): Likewise.
9221         * config/i386/i386-expand.c
9222         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9223         IX86_BUILTIN_ENQCMDS.
9224         * config/i386/i386.h (TARGET_ENQCMD): New.
9225         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9226         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9227         (movdir64b_<mode>): Parameterize to enable share expansion code
9228         with ENQCMD in function ix86_expand_builtin.
9229         * config/i386/i386.opt: Add -menqcmd.
9230         * config/i386/immintrin.h: Include enqcmdintrin.h.
9231         * config/i386/enqcmdintrin.h: New intrinsic file.
9232         * doc/invoke.texi: Add -menqcmd.
9233
9234 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9235             Steve Ellcey <sellcey@marvell.com>
9236
9237         PR target/85711
9238         * recog.c (address_operand): Return false on wrong mode for address.
9239         (constrain_operands): Check for mode with 'p' constraint.
9240
9241 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9242
9243         PR target/88998
9244         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9245         Disparage MMX alternative.
9246         (sse2_cvtpd2pi): Ditto.
9247         (sse2_cvttpd2pi): Ditto.
9248
9249 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9250
9251         PR driver/89014
9252         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9253         use-after-free of the result of
9254         aarch64_get_extension_string_for_isa_flags.
9255
9256 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9257
9258         PR c/44715
9259         * doc/extend.texi: Document break and continue behavior in
9260         statement expressions.
9261
9262 2019-01-23  Richard Biener  <rguenther@suse.de>
9263
9264         PR tree-optimization/89008
9265         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9266         not leave another stray operand.
9267
9268 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9269
9270         * BASE-VER: Bump to 9.0.1.
9271
9272 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9273
9274         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9275         thunk that returns by reference, use the type of the return object
9276         of the thunk instead of that of the alias to build the dereference.
9277
9278 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9279
9280         * config/arc/atomic.md: Add operand to DMB instruction.
9281
9282 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9283
9284         PR tree-optimization/88964
9285         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9286         build_zero_cst instead of build_int_cst.  Return false for loop
9287         invariants which honor signed zeros.
9288
9289 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9290
9291         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9292
9293 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9294
9295         PR target/88965
9296         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9297         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9298         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9299
9300         PR middle-end/88968
9301         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9302         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9303
9304         PR target/87064
9305         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9306         Disable for little endian.
9307
9308 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9309
9310         PR target/88469
9311         * config/arm/arm.c (arm_needs_double_word_align): Check
9312         DECL_BIT_FIELD_TYPE.
9313
9314 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9315             H.J. Lu  <hongjiu.lu@intel.com>
9316
9317         PR target/88909
9318         * config/i386/i386-builtin.def: Add mask2 to all builtin
9319         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9320         SPECIAL_ARGS.
9321         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9322         (BDESC_FIRST): Likewise.
9323         (define_builtin): Add an argument for mask2.  Updated to handle
9324         both ix86_isa_flags and ix86_isa_flags2.
9325         (define_builtin_const): Likewise.
9326         (define_builtin_pure): Likewise.
9327         (define_builtin2): Deleted.
9328         (define_builtin_const2): Likewise.
9329         (builtin_description): Add a member, mask2.
9330         (bdesc_*): Add mask2 to builtin initializations.
9331         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9332         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9333         support.
9334         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9335
9336 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9337
9338         PR target/88954
9339         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9340         noplt attribute.
9341
9342 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9343
9344         PR target/88469
9345         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9346         alignment is dominated by a bitfield with 64-bit aligned base type.
9347         (arm_function_arg): Emit a warning if the alignment has changed since
9348         earlier GCC releases.
9349         (arm_function_arg_boundary): Likewise.
9350         (arm_setup_incoming_varargs): Likewise.
9351
9352 2019-01-22  Richard Biener  <rguenther@suse.de>
9353
9354         PR tree-optimization/88862
9355         * graphite-scop-detection.c
9356         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9357
9358 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9359
9360         * doc/extend.tex (AMD GCN Function Attributes): New section.
9361         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9362         * doc/invoke.texi (AMD GCN Options): New section.
9363         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9364
9365 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9366
9367         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9368         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9369
9370 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9371
9372         PR tree-optimization/88044
9373         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9374         is false in the first iteration, but !every_iteration, return false
9375         instead of true with niter->niter zero.
9376
9377         PR rtl-optimization/88904
9378         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9379         any nonequal registers before processing BB_END (b).
9380
9381         PR target/88905
9382         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9383         GET_MODE (op0).
9384         (expand_binop_directly, expand_doubleword_clz,
9385         expand_doubleword_popcount, expand_ctz, expand_ffs,
9386         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9387
9388         PR rtl-optimization/49429
9389         PR target/49454
9390         PR rtl-optimization/86334
9391         PR target/88906
9392         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9393         addressable from here...
9394         (emit_block_op_via_libcall): ... to here.
9395
9396 2019-01-22  Richard Biener  <rguenther@suse.de>
9397
9398         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9399         auto_vec for cost vector to fix memleak.
9400         (vectorize_fold_left_reduction): Properly gather SLP defs.
9401         (vectorizable_comparison): Do not swap operands to properly
9402         gather SLP defs.
9403
9404 2019-01-22  Alan Modra  <amodra@gmail.com>
9405
9406         PR target/88614
9407         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9408         stays a reg.  Allow a const_int.
9409         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9410         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9411         (IS_NOMARK_TLSGETADDR): Define.
9412         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9413         (rs6000_output_tlsargs): New function.
9414         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9415         __tls_get_addr call takes an arg.
9416         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9417         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9418         delete split..
9419         (call_value_nonlocal_sysv): ..or here, delete split.
9420         (tls_gdld_nomark): Delete.
9421         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9422         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9423         (call_value_nonlocal_sysv): Likewise.
9424         (call_value_nonlocal_sysv_secure): Likewise.
9425         (call_value_nonlocal_aix): Likewise.
9426         (call_value_indirect_aix): Likewise.
9427         (call_value_indirect_elfv2): Likewise.
9428         (call_value_local32, call_value_local64): Disable for no-mark tls.
9429         (call_value_local_aix): Likewise.
9430
9431 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9432
9433         PR target/88938
9434         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9435         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9436
9437 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9438
9439         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9440         string contents as hash_map keys.
9441
9442 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9443
9444         PR c/88928
9445         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9446         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9447         instead of TYPE_ALIGN.
9448         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9449         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9450         pointer from TYPE_STUB_DECL.
9451
9452 2019-01-21  Richard Biener  <rguenther@suse.de>
9453
9454         PR tree-optimization/88934
9455         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9456         at the possibly non-constant operand.
9457         (vect_get_constant_vectors): Adjust.
9458
9459 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9460
9461         PR target/71659
9462         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9463         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9464         instead of _X86INTRIN_H_INCLUDED.
9465         * onfig/i386/clwbintrin.h: Likewise.
9466         * config/i386/pkuintrin.h: Likewise.
9467         * config/i386/prfchwintrin.h: Likewise.
9468         * config/i386/rdseedintrin.h: Likewise.
9469         * config/i386/wbnoinvdintrin.h: Likewise.
9470         * config/i386/xsavecintrin.h: Likewise.
9471         * config/i386/xsavesintrin.h: Likewise.
9472         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9473         * config/i386/xsaveintrin.h: Likewise.
9474         * config/i386/xsaveoptintrin.h: Likewise.
9475         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9476         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9477         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9478         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9479         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9480         * config/i386/immintrin.h: Here.
9481
9482 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9483
9484         PR ipa/87615
9485         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9486         with aa_walk_budget.
9487         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9488         aa_walk_budget_p parameter.
9489         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9490         walk.  Updated all callers.
9491         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9492         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9493         unmodified_parm.
9494         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9495         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9496         and to unmodified_parm.
9497         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9498         info, updated call to will_be_nonconstant_expr_predicate.
9499         (param_change_prob): New parameter fbi, limit AA walking.
9500         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9501         calls to various above functions.
9502         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9503         parameter.  Use it to limit AA walking.
9504         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9505         fbi, limit AA walk.
9506         (detect_type_change): New parameter fbi, pass it on to
9507         detect_type_change_from_memory_writes.
9508         (detect_type_change_ssa): Likewise.
9509         (aa_overwalked): Removed.
9510         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9511         accordingly, adjust to the neew AA limiting scheme.
9512         (parm_ref_data_preserved_p): Likewise.
9513         (ipa_compute_jump_functions_for_edge): Adjust call to
9514         get_dynamic_type.
9515         (ipa_analyze_call_uses): Likewise.
9516         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9517         (ipa_analyze_node): Initialize aa_walk_budget.
9518         (ipcp_transform_function): Likewise.
9519         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9520         to get_dynamic_type.
9521
9522 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9523
9524         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9525         outside of #if CHECKING_P code.
9526
9527 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9528
9529         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9530         New function, split out from...
9531         (loop_versioning::analyze_stride): ...here.
9532         (loop_versioning::find_per_loop_multiplication): Use gassign.
9533         (loop_versioning::analyze_term_using_scevs): Return a success code.
9534         (loop_versioning::analyze_arbitrary_term): New function.
9535         (loop_versioning::analyze_address_fragment): Use
9536         analyze_arbitrary_term if all else fails.
9537
9538 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9539
9540         PR target/88892
9541         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9542         operands.
9543
9544 2019-01-18  Richard Biener  <rguenther@suse.de>
9545
9546         PR tree-optimization/88903
9547         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9548         scalar stmts a SLP shift amount is composed of when detecting
9549         shifts by scalars.
9550
9551 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9552
9553         PR target/88799
9554         * config/arm/arm-cpus.in (mp): New feature.
9555         (sec): New feature.
9556         (fgroup ARMv7ve): Add mp and sec features.
9557         (arch armv7-a): Add options to allow mp and sec extensions.
9558         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9559         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9560         extenstions to the base architecture.
9561         (cpu cortex-a8): Add sec extension to the base architecture.
9562         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9563         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9564         variants down to the base v7-a varaint.
9565         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9566         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9567         of permitted extensions for -march=armv7-a and for
9568         -mcpu=generic-armv7-a.
9569
9570 2019-01-18  Martin Liska  <mliska@suse.cz>
9571
9572         * params.def: Fix comment.
9573         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9574         name.
9575         (gimple_gen_ic_func_profiler): Likewise.
9576
9577 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9578
9579         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9580         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9581         and put in error checks for stack protector guard options.
9582         (aarch64_stack_protect_guard): New.
9583         (TARGET_STACK_PROTECT_GUARD): Define.
9584         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9585         (reg_stack_protect_address<mode>): New.
9586         (stack_protect_set): Adjust for SSP_GLOBAL.
9587         (stack_protect_test): Likewise.
9588         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9589         (-mstack-protector-guard): Likewise.
9590         (-mstack-protector-guard-offset): Likewise.
9591
9592 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9593
9594         PR tree-optimization/86214
9595         * tree-inline.h (struct copy_body_data): Add
9596         add_clobbers_to_eh_landing_pads member.
9597         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9598         (copy_edges_for_bb): Call it if EH edge destination is <
9599         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9600         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9601         if flag_stack_reuse != SR_NONE and clear it afterwards.
9602
9603 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9604
9605         PR target/85596
9606         * doc/install.texi (with-multilib-list): Document for aarch64.
9607
9608 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9609
9610         PR target/88734
9611         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9612         (("..."))) with ("...").
9613
9614 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9615
9616         * doc/extend.texi (Built-in Functions for Memory Model Aware
9617         Atomic Operations): Document atomic fetch and nand.
9618
9619 2019-01-18  Martin Liska  <mliska@suse.cz>
9620             Richard Biener  <rguenther@suse.de>
9621
9622         PR middle-end/88587
9623         * cgraph.h (create_version_clone_with_body): Add new argument
9624         with attributes.
9625         * cgraphclones.c (cgraph_node::create_version_clone): Add
9626         DECL_ATTRIBUTES to a newly created decl.  And call
9627         valid_attribute_p so that proper cl_target_optimization_node
9628         is set for the newly created declaration.
9629         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9630         for declaration.
9631         (expand_target_clones): Do not call valid_attribute_p, it must
9632         be already done.
9633         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9634         vector types.
9635
9636 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9637
9638         PR target/88734
9639         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9640         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9641         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9642
9643 2019-01-17  Martin Sebor  <msebor@redhat.com>
9644
9645         PR middle-end/88273
9646         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9647         Handle anti-ranges the same as no range at all.
9648
9649 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9650
9651         * config/aarch64/aarch64.c (cgraph.h): New include.
9652         (intl.h): New include.
9653         (supported_simd_type): New function.
9654         (currently_supported_simd_type): Ditto.
9655         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9656         (aarch64_simd_clone_adjust): Ditto.
9657         (aarch64_simd_clone_usable): Ditto.
9658         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9659         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9660         (TARGET_SIMD_CLONE_USABLE): Ditto.
9661         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9662         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9663         call.
9664
9665 2019-01-17  Martin Sebor  <msebor@redhat.com>
9666
9667         PR tree-optimization/88800
9668         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9669         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9670         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9671         redundant argument.  Add new argument and issue diagnostics under
9672         its control.  Detect out-of-bounds access even with warnings
9673         disabled.
9674         (check_bounds_or_overlap): Change return type.  Add argument.
9675         (wrestrict_dom_walker::check_call): Adjust.
9676         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9677         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9678         check_bounds_or_overlap's return value.
9679         (handle_builtin_stxncpy): Same.
9680         (handle_builtin_strcat): Same.
9681
9682 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9683             Kwok Cheung Yeung  <kcy@codesourcery.com>
9684             Julian Brown  <julian@codesourcery.com>
9685             Tom de Vries  <tom@codesourcery.com>
9686
9687         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9688
9689 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9690
9691         * doc/sourcebuild.texi: Document dg-require-effective-target
9692         llvm_binutils and offload_gcn.
9693
9694 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9695             Kwok Cheung Yeung  <kcy@codesourcery.com>
9696             Julian Brown  <julian@codesourcery.com>
9697             Tom de Vries  <tom@codesourcery.com>
9698
9699         * doc/sourcebuild.texi: Document dg-required-effective-target
9700         exceptions.
9701
9702 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9703             Kwok Cheung Yeung  <kcy@codesourcery.com>
9704             Julian Brown  <julian@codesourcery.com>
9705             Tom de Vries  <tom@codesourcery.com>
9706             Jan Hubicka  <hubicka@ucw.cz>
9707             Martin Jambor  <mjambor@suse.cz>
9708
9709         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9710         * configure.ac: Check for dlopen.
9711         * configure: Regenerate.
9712
9713 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9714             Kwok Cheung Yeung  <kcy@codesourcery.com>
9715             Julian Brown  <julian@codesourcery.com>
9716             Tom de Vries  <tom@codesourcery.com>
9717             Jan Hubicka  <hubicka@ucw.cz>
9718             Martin Jambor  <mjambor@suse.cz>
9719
9720         * common/config/gcn/gcn-common.c: New file.
9721         * config/gcn/driver-gcn.c: New file.
9722         * config/gcn/gcn-builtins.def: New file.
9723         * config/gcn/gcn-hsa.h: New file.
9724         * config/gcn/gcn-modes.def: New file.
9725         * config/gcn/gcn-opts.h: New file.
9726         * config/gcn/gcn-passes.def: New file.
9727         * config/gcn/gcn-protos.h: New file.
9728         * config/gcn/gcn-run.c: New file.
9729         * config/gcn/gcn-tree.c: New file.
9730         * config/gcn/gcn.c: New file.
9731         * config/gcn/gcn.h: New file.
9732         * config/gcn/gcn.opt: New file.
9733         * config/gcn/t-gcn-hsa: New file.
9734
9735 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9736             Kwok Cheung Yeung  <kcy@codesourcery.com>
9737             Julian Brown  <julian@codesourcery.com>
9738             Tom de Vries  <tom@codesourcery.com>
9739             Jan Hubicka  <hubicka@ucw.cz>
9740             Martin Jambor  <mjambor@suse.cz>
9741
9742         * config/gcn/constraints.md: New file.
9743         * config/gcn/gcn-valu.md: New file.
9744         * config/gcn/gcn.md: New file.
9745         * config/gcn/predicates.md: New file.
9746
9747 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9748
9749         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9750         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9751         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9752         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9753
9754 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9755
9756         PR target/88851
9757         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9758         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9759         it and document registers.
9760
9761 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9762
9763         * config/aarch64/aarch64.c (ares_tunings): Define.
9764         * config/aarch64/aarch64-cores.def (ares): Use the above.
9765
9766 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9767
9768         PR target/88794
9769         Revert:
9770         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9771
9772         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9773         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9774         (_mm512_maskz_fixupimm_round_pd): Ditto.
9775         (_mm512_fixupimm_round_ps): Ditto.
9776         (_mm512_maskz_fixupimm_round_ps): Ditto.
9777         (_mm_fixupimm_round_sd): Ditto.
9778         (_mm_maskz_fixupimm_round_sd): Ditto.
9779         (_mm_fixupimm_round_ss): Ditto.
9780         (_mm_maskz_fixupimm_round_ss): Ditto.
9781         (_mm512_fixupimm_pd): Ditto.
9782         (_mm512_maskz_fixupimm_pd): Ditto.
9783         (_mm512_fixupimm_ps): Ditto.
9784         (_mm512_maskz_fixupimm_ps): Ditto.
9785         (_mm_fixupimm_sd): Ditto.
9786         (_mm_maskz_fixupimm_sd): Ditto.
9787         (_mm_fixupimm_ss): Ditto.
9788         (_mm_maskz_fixupimm_ss): Ditto.
9789         (_mm512_mask_fixupimm_round_pd): Update builtin.
9790         (_mm512_mask_fixupimm_round_ps): Ditto.
9791         (_mm_mask_fixupimm_round_sd): Ditto.
9792         (_mm_mask_fixupimm_round_ss): Ditto.
9793         (_mm512_mask_fixupimm_pd): Ditto.
9794         (_mm512_mask_fixupimm_ps): Ditto.
9795         (_mm_mask_fixupimm_sd): Ditto.
9796         (_mm_mask_fixupimm_ss): Ditto.
9797         * config/i386/avx512vlintrin.h:
9798         (_mm256_fixupimm_pd): Update parameters and builtin.
9799         (_mm256_maskz_fixupimm_pd): Ditto.
9800         (_mm256_fixupimm_ps): Ditto.
9801         (_mm256_maskz_fixupimm_ps): Ditto.
9802         (_mm_fixupimm_pd): Ditto.
9803         (_mm_maskz_fixupimm_pd): Ditto.
9804         (_mm_fixupimm_ps): Ditto.
9805         (_mm_maskz_fixupimm_ps): Ditto.
9806         (_mm256_mask_fixupimm_pd): Update builtin.
9807         (_mm256_mask_fixupimm_ps): Ditto.
9808         (_mm_mask_fixupimm_pd): Ditto.
9809         (_mm_mask_fixupimm_ps): Ditto.
9810         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9811         * config/i386/i386-builtin.def: Update builtin definitions.
9812         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9813         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9814         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9815         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9816         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9817         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9818         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9819         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9820         * config/i386/subst.md:
9821         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9822         (round_saeonly_sd_mask_op4): Ditto.
9823         (round_saeonly_expand_operand5): Ditto.
9824         (round_saeonly_expand): Update.
9825
9826 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9827
9828         PR target/88794
9829         Revert:
9830         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9831
9832         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9833         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9834         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9835         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9836         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9837         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9838         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9839
9840 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9841
9842         PR target/88794
9843         Revert:
9844         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9845
9846         PR target/88489
9847         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9848         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9849         instead of UNSPEC_FIXUPIMM.
9850
9851 2019-01-17  Richard Biener  <rguenther@suse.de>
9852
9853         PR lto/86736
9854         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9855         and friends for the LTO part of debug info.
9856
9857 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9858
9859         PR tree-optimization/86214
9860         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9861         if x == y.
9862
9863         PR rtl-optimization/88870
9864         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9865         throw if we can't alter the cfg or delete dead exceptions.
9866         (mark_insn): Don't call find_call_stack_args for such calls.
9867
9868 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9869
9870         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9871         prototypes for vec_st.
9872         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9873         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9874         mainly on signed/unsigned long long and double.
9875
9876 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9877
9878         PR target/88861
9879         * combine.c (delete_noop_moves): Convert to "bool" return,
9880         returning true if any edges are eliminated.
9881         (combine_instructions): Also return true if delete_noop_moves
9882         returns true.
9883
9884 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9885
9886         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9887         correct max nunits for endian swap.
9888         (aarch64_expand_fcmla_builtin): Correct subreg code.
9889         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9890         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9891         lane endianness.
9892
9893 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9894
9895         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9896         Handle split indirect COMPLEX_TYPE arguments.
9897
9898 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9899
9900         PR target/86891
9901         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9902         bit is set by add and compare.
9903         (CC_ADC): New CC_MODE.
9904         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9905         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9906         comparison.  Add detection for CC_ADCmode.
9907         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9908         CC_ADCmode.
9909         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9910         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9911         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9912         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9913         to eliminate the need for zero-extending the operands.
9914         (add<mode>3_compareC_imm): Delete.  Merge into ...
9915         (add<mode>3_compareC): ... this.  Restructure the comparison to
9916         eliminate the need for zero-extending the operands.
9917         (add<mode>3_carryin): Use LTU for the overflow detection.
9918         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9919         Reexpress comparison for overflow.
9920         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9921         (add<mode>3_carryinC): Likewise.
9922         (add<mode>3_carryinV): Use LTU for carry between partials.
9923         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9924         handling of CC_Cmode and add CC_ADCmode.
9925         (aarch64_borrow_operation): Likewise.
9926
9927 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9928
9929         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9930         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9931         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9932         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9933
9934 2019-01-16  Martin Liska  <mliska@suse.cz>
9935
9936         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9937         for GCC driver.
9938         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9939         a new argument.
9940         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9941         (path_prefix_reset): Move up in the source file.
9942         (find_fortran_preinclude_file): Make complex search for the
9943         fortran header files.
9944
9945 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9946
9947         * godump.c (go_output_typedef): When outputting a typedef, refer
9948         to the underlying type by its name and not its structure.
9949
9950 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9951
9952         PR c++/88795
9953         * tree.c (build_function_type): Assert that arg_types is not
9954         error_mark_node.
9955
9956 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9957
9958         PR inline-asm/52813
9959         * doc/extend.texi: Document that listing the stack pointer in the
9960         clobber list of an asm is a deprecated feature.
9961         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9962         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9963         warning instead of an error for clobbers of the stack pointer.
9964         Add a note explaining why.
9965
9966 2019-01-15  Richard Biener  <rguenther@suse.de>
9967
9968         PR debug/88046
9969         * dwarf2out.c (gen_member_die): Do not generate inheritance
9970         DIEs late.
9971
9972 2019-01-15  Richard Biener  <rguenther@suse.de>
9973
9974         PR tree-optimization/88855
9975         * tree-if-conv.c (combine_blocks): Collect
9976         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9977
9978 2019-01-15  Tom de Vries  <tdevries@suse.de>
9979
9980         PR target/80547
9981         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9982         lhs == NULL_TREE for gang-level reduction.
9983
9984 2019-01-15  Richard Biener  <rguenther@suse.de>
9985             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9986
9987         PR ipa/88788
9988         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9989         return true if SSA_NAME is already marked in visited bitmap.
9990         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9991
9992 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9993
9994         PR tree-optimization/88775
9995         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9996         equal == 0 equality pointer comparisons some more if compared in
9997         integral types and either one points to an automatic var and the
9998         other to a global, or we can prove at least one points to the middle
9999         or both point to start or both point to end.
10000
10001 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10002
10003         * Makefile.in: Lower autofdo sampling rate by 10x.
10004         * Makefile.tpl: Dito.
10005
10006 2019-01-14  Tom Honermann  <tom@honermann.net>
10007
10008         * defaults.h: Define CHAR8_TYPE.
10009
10010 2019-01-14  Martin Sebor  <msebor@redhat.com>
10011
10012         PR target/88638
10013         * doc/extend.texi (Darwin Format Checks): Clarify.
10014
10015 2019-01-14  Richard Biener  <rguenther@suse.de>
10016
10017         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10018         whether we are in (simplify ...) or (match ...) context.
10019
10020 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10021
10022         PR rtl-optimization/88796
10023         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10024         * cfgexpand.c (stack_protect_prologue): Initialize
10025         crtl->stack_protect_guard_decl.
10026         * function.c (stack_protect_epilogue): Use it instead of calling
10027         targetm.stack_protect_guard again.
10028         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10029         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10030         crtl->stack_protect_guard_decl.
10031         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10032         on the returned MEM_EXPR.
10033
10034 2019-01-12  Tom de Vries  <tdevries@suse.de>
10035
10036         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10037         vector length using -fopenacc-dim.
10038
10039 2019-01-12  Tom de Vries  <tdevries@suse.de>
10040
10041         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10042         lengths into account.
10043
10044 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10045
10046         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10047         (TARGET_CAN_SPLIT_STACK): Define.
10048         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10049
10050 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10051
10052         * params.def (inline-unit-growth): Set to 40.
10053
10054 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10055
10056         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10057
10058 2019-01-12  Tom de Vries  <tdevries@suse.de>
10059
10060         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10061         region calling vector-partitionable routine, set default_vector_length
10062         to WARP_SIZE.
10063
10064 2019-01-12  Tom de Vries  <tdevries@suse.de>
10065
10066         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10067         variable default_vector_length.
10068
10069 2019-01-12  Tom de Vries  <tdevries@suse.de>
10070
10071         PR middle-end/88703
10072         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10073         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10074         dimensions limits.
10075
10076 2019-01-12  Tom de Vries  <tdevries@suse.de>
10077
10078         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10079         (nvptx_goacc_validate_dims): Add used parameter.
10080         * doc/tm.texi: Regenerate.
10081         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10082         argument to call to targetm.goacc.validate_dims.
10083         (default_goacc_validate_dims): Add used
10084         parameter.
10085         * target.def (validate_dims): Add used parameter in DEFHOOK.
10086         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10087
10088 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10089
10090         PR middle-end/85956
10091         PR lto/88733
10092         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10093         field.
10094         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10095         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10096         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10097         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10098
10099 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10100
10101         PR rtl-optimization/87305
10102         * lra-assigns.c
10103         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10104         for little endian pseudos used as paradoxical subreg.
10105
10106 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10107
10108         PR tree-optimization/88693
10109         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10110         for STRING_CSTs that don't contain any NUL characters in the first
10111         TREE_STRING_LENGTH bytes.
10112
10113 2019-01-11  Alan Modra  <amodra@gmail.com>
10114
10115         PR 88777
10116         PR 88614
10117         * genattrtab.c (min_fn): Don't translate values.
10118         (min_attr_value): Return INT_MAX when the value can't be calculated.
10119         Return minimum among any values that can be calculated.
10120         (max_attr_value): Adjust.
10121
10122 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10123
10124         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10125
10126 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10127
10128         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10129         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10130         (aarch64_return_call_with_max_clobbers): New function.
10131         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10132         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10133         argument.
10134         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10135         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10136         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10137         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10138         * cselib.c (cselib_process_insn): Add argument to
10139         targetm.hard_regno_call_part_clobbered call.
10140         * ira-conflicts.c (ira_build_conflicts): Ditto.
10141         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10142         * lra-constraints.c (inherit_reload_reg): Ditto.
10143         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10144         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10145         argument.  Call targetm.return_call_with_max_clobbers.
10146         Add argument to targetm.hard_regno_call_part_clobbered call.
10147         (calls_have_same_clobbers_p): New function.
10148         (process_bb_lives): Add call_insn and last_call_insn variables.
10149         Pass call_insn to check_pseudos_live_through_calls.
10150         Modify if stmt to check targetm.return_call_with_max_clobbers.
10151         Update setting of flush variable.
10152         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10153         to false.
10154         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10155         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10156         targetm.hard_regno_call_part_clobbered call.
10157         * reginfo.c (choose_hard_reg_mode): Ditto.
10158         * regrename.c (check_new_reg_p): Ditto.
10159         * reload.c (find_equiv_reg): Ditto.
10160         * reload1.c (emit_reload_insns): Ditto.
10161         * sched-deps.c (deps_analyze_insn): Ditto.
10162         * sel-sched.c (init_regs_for_mode): Ditto.
10163         (mark_unavailable_hard_regs): Ditto.
10164         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10165         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10166         (return_call_with_max_clobbers): New target function.
10167         * doc/tm.texi: Regenerate.
10168         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10169         * hooks.c (hook_bool_uint_mode_false): Change to
10170         hook_bool_insn_uint_mode_false.
10171         * hooks.h (hook_bool_uint_mode_false): Ditto.
10172
10173 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10174
10175         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10176         (aarch64_remove_extra_call_preserved_regs): New function.
10177         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10178         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10179         * doc/tm.texi: Regenerate.
10180         * final.c (get_call_reg_set_usage): Call new hook.
10181         * target.def (remove_extra_call_preserved_regs): New hook.
10182         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10183         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10184
10185 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10186
10187         PR bootstrap/88714
10188         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10189         inside of pass_combine_1 dump rather than pass_profile_1.
10190
10191 2019-01-11  Tom de Vries  <tdevries@suse.de>
10192
10193         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10194         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10195         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10196         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10197         num_workers 16.
10198
10199 2019-01-11  Tom de Vries  <tdevries@suse.de>
10200
10201         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10202
10203 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10204
10205         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10206         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10207         sse2_cvtsi2sd): Add {l}.
10208         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10209         syntax.
10210
10211 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10212
10213         PR target/88785
10214         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10215         define_expand.
10216         (*float<floatunssuffix>v2div2sf2): New define_insn.
10217         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10218         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10219         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10220         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10221         match_operands with "const0_operand" "C".
10222
10223 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10224
10225         * config/aarch64/aarch64-builtins.c
10226         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10227         (aarch64_init_simd_builtins): ...Here
10228
10229 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10230
10231         PR rtl-optimization/87305
10232         * lra-assigns.c
10233         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10234         allocation for big endian pseudos used as paradoxical subregs and
10235         spill them if it is wrong.
10236         * lra-constraints.c (lra_constraints): Add a comment.
10237
10238 2019-01-10  Richard Biener  <rguenther@suse.de>
10239
10240         PR tree-optimization/88792
10241         * tree-ssa-pre.c (get_representative_for): Do not return a
10242         value-number here.
10243
10244 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10245
10246         PR middle-end/84877
10247         PR bootstrap/88450
10248         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10249         (assign_parm_setup_block): Do the argument slot realignment here
10250         instead.
10251
10252 2019-01-10  Stefan Agner  <stefan@agner.ch>
10253
10254         PR target/88648
10255         * config/arm/arm.c (arm_option_override_internal): Force
10256         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10257
10258 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10259
10260         PR c/88568
10261         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10262         DECL_EXTERNAL.
10263
10264 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10265
10266         * config/arm/arm-builtins.c
10267         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10268         (MAC_LANE_PAIR_QUALIFIERS): New.
10269         (arm_expand_builtin_args): Use it.
10270         (arm_expand_builtin_1): Likewise.
10271         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10272         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10273         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10274         * config/arm/arm_neon.h:
10275         (vcadd_rot90_f16): New.
10276         (vcaddq_rot90_f16): New.
10277         (vcadd_rot270_f16): New.
10278         (vcaddq_rot270_f16): New.
10279         (vcmla_f16): New.
10280         (vcmlaq_f16): New.
10281         (vcmla_lane_f16): New.
10282         (vcmla_laneq_f16): New.
10283         (vcmlaq_lane_f16): New.
10284         (vcmlaq_laneq_f16): New.
10285         (vcmla_rot90_f16): New.
10286         (vcmlaq_rot90_f16): New.
10287         (vcmla_rot90_lane_f16): New.
10288         (vcmla_rot90_laneq_f16): New.
10289         (vcmlaq_rot90_lane_f16): New.
10290         (vcmlaq_rot90_laneq_f16): New.
10291         (vcmla_rot180_f16): New.
10292         (vcmlaq_rot180_f16): New.
10293         (vcmla_rot180_lane_f16): New.
10294         (vcmla_rot180_laneq_f16): New.
10295         (vcmlaq_rot180_lane_f16): New.
10296         (vcmlaq_rot180_laneq_f16): New.
10297         (vcmla_rot270_f16): New.
10298         (vcmlaq_rot270_f16): New.
10299         (vcmla_rot270_lane_f16): New.
10300         (vcmla_rot270_laneq_f16): New.
10301         (vcmlaq_rot270_lane_f16): New.
10302         (vcmlaq_rot270_laneq_f16): New.
10303         (vcadd_rot90_f32): New.
10304         (vcaddq_rot90_f32): New.
10305         (vcadd_rot270_f32): New.
10306         (vcaddq_rot270_f32): New.
10307         (vcmla_f32): New.
10308         (vcmlaq_f32): New.
10309         (vcmla_lane_f32): New.
10310         (vcmla_laneq_f32): New.
10311         (vcmlaq_lane_f32): New.
10312         (vcmlaq_laneq_f32): New.
10313         (vcmla_rot90_f32): New.
10314         (vcmlaq_rot90_f32): New.
10315         (vcmla_rot90_lane_f32): New.
10316         (vcmla_rot90_laneq_f32): New.
10317         (vcmlaq_rot90_lane_f32): New.
10318         (vcmlaq_rot90_laneq_f32): New.
10319         (vcmla_rot180_f32): New.
10320         (vcmlaq_rot180_f32): New.
10321         (vcmla_rot180_lane_f32): New.
10322         (vcmla_rot180_laneq_f32): New.
10323         (vcmlaq_rot180_lane_f32): New.
10324         (vcmlaq_rot180_laneq_f32): New.
10325         (vcmla_rot270_f32): New.
10326         (vcmlaq_rot270_f32): New.
10327         (vcmla_rot270_lane_f32): New.
10328         (vcmla_rot270_laneq_f32): New.
10329         (vcmlaq_rot270_lane_f32): New.
10330         (vcmlaq_rot270_laneq_f32): New.
10331         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10332         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10333         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10334         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10335         vcmlaq_lane270): New.
10336         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10337         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10338         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10339         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10340         (arm_option_reconfigure_globals): Use them.
10341         * config/arm/iterators.md (VDF, VQ_HSF): New.
10342         (VCADD, VCMLA): New.
10343         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10344         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10345         New.
10346         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10347         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10348
10349 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10350
10351         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10352         Add qualifier_lane_pair_index.
10353         (emit-rtl.h): Include.
10354         (TYPES_QUADOP_LANE_PAIR): New.
10355         (aarch64_simd_expand_args): Use it.
10356         (aarch64_simd_expand_builtin): Likewise.
10357         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10358         New.
10359         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10360         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10361         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10362         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10363         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10364         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10365         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10366         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10367         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10368         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10369         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10370         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10371         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10372         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10373         Add __ARM_FEATURE_COMPLEX.
10374         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10375         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10376         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10377         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10378         fcmlaq_lane270): New.
10379         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10380         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10381         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10382         * config/aarch64/arm_neon.h:
10383         (vcadd_rot90_f16): New.
10384         (vcaddq_rot90_f16): New.
10385         (vcadd_rot270_f16): New.
10386         (vcaddq_rot270_f16): New.
10387         (vcmla_f16): New.
10388         (vcmlaq_f16): New.
10389         (vcmla_lane_f16): New.
10390         (vcmla_laneq_f16): New.
10391         (vcmlaq_lane_f16): New.
10392         (vcmlaq_rot90_lane_f16): New.
10393         (vcmla_rot90_laneq_f16): New.
10394         (vcmla_rot90_lane_f16): New.
10395         (vcmlaq_rot90_f16): New.
10396         (vcmla_rot90_f16): New.
10397         (vcmlaq_laneq_f16): New.
10398         (vcmla_rot180_laneq_f16): New.
10399         (vcmla_rot180_lane_f16): New.
10400         (vcmlaq_rot180_f16): New.
10401         (vcmla_rot180_f16): New.
10402         (vcmlaq_rot90_laneq_f16): New.
10403         (vcmlaq_rot270_laneq_f16): New.
10404         (vcmlaq_rot270_lane_f16): New.
10405         (vcmla_rot270_laneq_f16): New.
10406         (vcmlaq_rot270_f16): New.
10407         (vcmla_rot270_f16): New.
10408         (vcmlaq_rot180_laneq_f16): New.
10409         (vcmlaq_rot180_lane_f16): New.
10410         (vcmla_rot270_lane_f16): New.
10411         (vcadd_rot90_f32): New.
10412         (vcaddq_rot90_f32): New.
10413         (vcaddq_rot90_f64): New.
10414         (vcadd_rot270_f32): New.
10415         (vcaddq_rot270_f32): New.
10416         (vcaddq_rot270_f64): New.
10417         (vcmla_f32): New.
10418         (vcmlaq_f32): New.
10419         (vcmlaq_f64): New.
10420         (vcmla_lane_f32): New.
10421         (vcmla_laneq_f32): New.
10422         (vcmlaq_lane_f32): New.
10423         (vcmlaq_laneq_f32): New.
10424         (vcmla_rot90_f32): New.
10425         (vcmlaq_rot90_f32): New.
10426         (vcmlaq_rot90_f64): New.
10427         (vcmla_rot90_lane_f32): New.
10428         (vcmla_rot90_laneq_f32): New.
10429         (vcmlaq_rot90_lane_f32): New.
10430         (vcmlaq_rot90_laneq_f32): New.
10431         (vcmla_rot180_f32): New.
10432         (vcmlaq_rot180_f32): New.
10433         (vcmlaq_rot180_f64): New.
10434         (vcmla_rot180_lane_f32): New.
10435         (vcmla_rot180_laneq_f32): New.
10436         (vcmlaq_rot180_lane_f32): New.
10437         (vcmlaq_rot180_laneq_f32): New.
10438         (vcmla_rot270_f32): New.
10439         (vcmlaq_rot270_f32): New.
10440         (vcmlaq_rot270_f64): New.
10441         (vcmla_rot270_lane_f32): New.
10442         (vcmla_rot270_laneq_f32): New.
10443         (vcmlaq_rot270_lane_f32): New.
10444         (vcmlaq_rot270_laneq_f32): New.
10445         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10446         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10447         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10448         (FCADD, FCMLA): New.
10449         (rot): New.
10450         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10451
10452 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10453
10454         PR other/16615
10455
10456         * config/pa/pa.c: Change "can not" to "cannot".
10457         * gimple-ssa-evrp-analyze.c: Likewise.
10458         * ipa-icf.c: Likewise.
10459         * ipa-polymorphic-call.c: Likewise.
10460         * ipa-pure-const.c: Likewise.
10461         * lra-constraints.c: Likewise.
10462         * lra-remat.c: Likewise.
10463         * reload1.c: Likewise.
10464         * reorg.c: Likewise.
10465         * tree-ssa-uninit.c: Likewise.
10466
10467 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10468
10469         PR other/16615
10470
10471         * Makefile.in: Mechanically replace "can not" with "cannot".
10472         * alias.c: Likewise.
10473         * builtins.c: Likewise.
10474         * calls.c: Likewise.
10475         * cgraph.c: Likewise.
10476         * cgraph.h: Likewise.
10477         * cgraphclones.c: Likewise.
10478         * cgraphunit.c: Likewise.
10479         * combine-stack-adj.c: Likewise.
10480         * combine.c: Likewise.
10481         * common/config/i386/i386-common.c: Likewise.
10482         * config/aarch64/aarch64.c: Likewise.
10483         * config/alpha/sync.md: Likewise.
10484         * config/arc/arc.c: Likewise.
10485         * config/arc/predicates.md: Likewise.
10486         * config/arm/arm-c.c: Likewise.
10487         * config/arm/arm.c: Likewise.
10488         * config/arm/arm.h: Likewise.
10489         * config/arm/arm.md: Likewise.
10490         * config/arm/cortex-r4f.md: Likewise.
10491         * config/csky/csky.c: Likewise.
10492         * config/csky/csky.h: Likewise.
10493         * config/darwin-f.c: Likewise.
10494         * config/epiphany/epiphany.md: Likewise.
10495         * config/i386/i386.c: Likewise.
10496         * config/i386/sol2.h: Likewise.
10497         * config/m68k/m68k.c: Likewise.
10498         * config/mcore/mcore.h: Likewise.
10499         * config/microblaze/microblaze.md: Likewise.
10500         * config/mips/20kc.md: Likewise.
10501         * config/mips/sb1.md: Likewise.
10502         * config/nds32/nds32.c: Likewise.
10503         * config/nds32/predicates.md: Likewise.
10504         * config/pa/pa.c: Likewise.
10505         * config/rs6000/e300c2c3.md: Likewise.
10506         * config/rs6000/rs6000.c: Likewise.
10507         * config/s390/s390.h: Likewise.
10508         * config/sh/sh.c: Likewise.
10509         * config/sh/sh.md: Likewise.
10510         * config/spu/vmx2spu.h: Likewise.
10511         * cprop.c: Likewise.
10512         * dbxout.c: Likewise.
10513         * df-scan.c: Likewise.
10514         * doc/cfg.texi: Likewise.
10515         * doc/extend.texi: Likewise.
10516         * doc/fragments.texi: Likewise.
10517         * doc/gty.texi: Likewise.
10518         * doc/invoke.texi: Likewise.
10519         * doc/lto.texi: Likewise.
10520         * doc/md.texi: Likewise.
10521         * doc/objc.texi: Likewise.
10522         * doc/rtl.texi: Likewise.
10523         * doc/tm.texi: Likewise.
10524         * dse.c: Likewise.
10525         * emit-rtl.c: Likewise.
10526         * emit-rtl.h: Likewise.
10527         * except.c: Likewise.
10528         * expmed.c: Likewise.
10529         * expr.c: Likewise.
10530         * fold-const.c: Likewise.
10531         * genautomata.c: Likewise.
10532         * gimple-fold.c: Likewise.
10533         * hard-reg-set.h: Likewise.
10534         * ifcvt.c: Likewise.
10535         * ipa-comdats.c: Likewise.
10536         * ipa-cp.c: Likewise.
10537         * ipa-devirt.c: Likewise.
10538         * ipa-fnsummary.c: Likewise.
10539         * ipa-icf.c: Likewise.
10540         * ipa-inline-transform.c: Likewise.
10541         * ipa-inline.c: Likewise.
10542         * ipa-polymorphic-call.c: Likewise.
10543         * ipa-profile.c: Likewise.
10544         * ipa-prop.c: Likewise.
10545         * ipa-pure-const.c: Likewise.
10546         * ipa-reference.c: Likewise.
10547         * ipa-split.c: Likewise.
10548         * ipa-visibility.c: Likewise.
10549         * ipa.c: Likewise.
10550         * ira-build.c: Likewise.
10551         * ira-color.c: Likewise.
10552         * ira-conflicts.c: Likewise.
10553         * ira-costs.c: Likewise.
10554         * ira-int.h: Likewise.
10555         * ira-lives.c: Likewise.
10556         * ira.c: Likewise.
10557         * ira.h: Likewise.
10558         * loop-invariant.c: Likewise.
10559         * loop-unroll.c: Likewise.
10560         * lower-subreg.c: Likewise.
10561         * lra-assigns.c: Likewise.
10562         * lra-constraints.c: Likewise.
10563         * lra-eliminations.c: Likewise.
10564         * lra-lives.c: Likewise.
10565         * lra-remat.c: Likewise.
10566         * lra-spills.c: Likewise.
10567         * lra.c: Likewise.
10568         * lto-cgraph.c: Likewise.
10569         * lto-streamer-out.c: Likewise.
10570         * postreload-gcse.c: Likewise.
10571         * predict.c: Likewise.
10572         * profile-count.h: Likewise.
10573         * profile.c: Likewise.
10574         * recog.c: Likewise.
10575         * ree.c: Likewise.
10576         * reload.c: Likewise.
10577         * reload1.c: Likewise.
10578         * reorg.c: Likewise.
10579         * resource.c: Likewise.
10580         * rtl.def: Likewise.
10581         * rtl.h: Likewise.
10582         * rtlanal.c: Likewise.
10583         * sched-deps.c: Likewise.
10584         * sched-ebb.c: Likewise.
10585         * sched-rgn.c: Likewise.
10586         * sel-sched-ir.c: Likewise.
10587         * sel-sched.c: Likewise.
10588         * shrink-wrap.c: Likewise.
10589         * simplify-rtx.c: Likewise.
10590         * symtab.c: Likewise.
10591         * target.def: Likewise.
10592         * toplev.c: Likewise.
10593         * tree-call-cdce.c: Likewise.
10594         * tree-cfg.c: Likewise.
10595         * tree-complex.c: Likewise.
10596         * tree-core.h: Likewise.
10597         * tree-eh.c: Likewise.
10598         * tree-inline.c: Likewise.
10599         * tree-loop-distribution.c: Likewise.
10600         * tree-nrv.c: Likewise.
10601         * tree-profile.c: Likewise.
10602         * tree-sra.c: Likewise.
10603         * tree-ssa-alias.c: Likewise.
10604         * tree-ssa-dce.c: Likewise.
10605         * tree-ssa-dom.c: Likewise.
10606         * tree-ssa-forwprop.c: Likewise.
10607         * tree-ssa-loop-im.c: Likewise.
10608         * tree-ssa-loop-ivcanon.c: Likewise.
10609         * tree-ssa-loop-ivopts.c: Likewise.
10610         * tree-ssa-loop-niter.c: Likewise.
10611         * tree-ssa-phionlycprop.c: Likewise.
10612         * tree-ssa-phiopt.c: Likewise.
10613         * tree-ssa-propagate.c: Likewise.
10614         * tree-ssa-threadedge.c: Likewise.
10615         * tree-ssa-threadupdate.c: Likewise.
10616         * tree-ssa-uninit.c: Likewise.
10617         * tree-ssanames.c: Likewise.
10618         * tree-streamer-out.c: Likewise.
10619         * tree.c: Likewise.
10620         * tree.h: Likewise.
10621         * vr-values.c: Likewise.
10622
10623 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10624
10625         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10626         (ix86_split_xorsign): Ditto.
10627         * config/i386/i386.c (ix86_expand_xorsign): New function.
10628         (ix86_split_xorsign): Ditto.
10629         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10630         (xorsign<mode>3): New expander.
10631         (xorsign<mode>3_1): New insn_and_split pattern.
10632         * config/i386/sse.md (xorsign<mode>3): New expander.
10633
10634 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10635
10636         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10637         (*tablejump_sp64): Likewise.
10638         (*tablejump<P:mode>): ...this.
10639         (*call_address_sp32): Merge into...
10640         (*call_address_sp64): Likewise.
10641         (*call_address<P:mode>): ...this.
10642         (*call_symbolic_sp32): Merge into...
10643         (*call_symbolic_sp64): Likewise.
10644         (*call_symbolic<P:mode>): ...this.
10645         (call_value): Remove constraint and add predicate.
10646         (*call_value_address_sp32): Merge into...
10647         (*call_value_address_sp64): Likewise.
10648         (*call_value_address<P:mode>): ...this.
10649         (*call_value_symbolic_sp32): Merge into...
10650         (*call_value_symbolic_sp64): Likewise.
10651         (*call_value_symbolic<P:mode>): ...this.
10652         (*sibcall_symbolic_sp32): Merge into...
10653         (*sibcall_symbolic_sp64): Likewise.
10654         (*sibcall_symbolic<P:mode>): ...this.
10655         (sibcall_value): Remove constraint and add predicate.
10656         (*sibcall_value_symbolic_sp32): Merge into...
10657         (*sibcall_value_symbolic_sp64): Likewise.
10658         (*sibcall_value_symbolic<P:mode>): ...this.
10659         (window_save): Minor tweak.
10660         (*branch_sp32): Merge into...
10661         (*branch_sp64): Likewise.
10662         (*branch<P:mode>): ...this.
10663
10664 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10665             James Clarke  <jrtc27@jrtc27.com>
10666
10667         PR target/84010
10668         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10669         consistently in TLS address generation and adjust code to the renaming
10670         of patterns.  Mark calls to __tls_get_addr as const.
10671         * config/sparc/sparc.md (tgd_hi22): Turn into...
10672         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10673         (tgd_lo10): Turn into...
10674         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10675         (tgd_add32): Merge into...
10676         (tgd_add64): Likewise.
10677         (tgd_add<P:mode>): ...this and use Pmode throughout.
10678         (tldm_hi22): Turn into...
10679         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10680         (tldm_lo10): Turn into...
10681         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10682         (tldm_add32): Merge into...
10683         (tldm_add64): Likewise.
10684         (tldm_add<P:mode>): ...this and use Pmode throughout.
10685         (tldm_call32): Merge into...
10686         (tldm_call64): Likewise.
10687         (tldm_call<P:mode>): ...this and use Pmode throughout.
10688         (tldo_hix22): Turn into...
10689         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10690         (tldo_lox10): Turn into...
10691         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10692         (tldo_add32): Merge into...
10693         (tldo_add64): Likewise.
10694         (tldo_add<P:mode>): ...this and use Pmode throughout.
10695         (tie_hi22): Turn into...
10696         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10697         (tie_lo10): Turn into...
10698         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10699         (tie_ld64): Use DImode throughout.
10700         (tie_add32): Merge into...
10701         (tie_add64): Likewise.
10702         (tie_add<P:mode>): ...this and use Pmode throughout.
10703         (tle_hix22_sp32): Merge into...
10704         (tle_hix22_sp64): Likewise.
10705         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10706         (tle_lox22_sp32): Merge into...
10707         (tle_lox22_sp64): Likewise.
10708         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10709         (*tldo_ldub_sp32): Merge into...
10710         (*tldo_ldub_sp64): Likewise.
10711         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10712         (*tldo_ldub1_sp32): Merge into...
10713         (*tldo_ldub1_sp64): Likewise.
10714         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10715         (*tldo_ldub2_sp32): Merge into...
10716         (*tldo_ldub2_sp64): Likewise.
10717         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10718         (*tldo_ldsb1_sp32): Merge into...
10719         (*tldo_ldsb1_sp64): Likewise.
10720         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10721         (*tldo_ldsb2_sp32): Merge into...
10722         (*tldo_ldsb2_sp64): Likewise.
10723         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10724         (*tldo_ldub3_sp64): Use DImode throughout.
10725         (*tldo_ldsb3_sp64): Likewise.
10726         (*tldo_lduh_sp32): Merge into...
10727         (*tldo_lduh_sp64): Likewise.
10728         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10729         (*tldo_lduh1_sp32): Merge into...
10730         (*tldo_lduh1_sp64): Likewise.
10731         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10732         (*tldo_ldsh1_sp32): Merge into...
10733         (*tldo_ldsh1_sp64): Likewise.
10734         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10735         (*tldo_lduh2_sp64): Use DImode throughout.
10736         (*tldo_ldsh2_sp64): Likewise.
10737         (*tldo_lduw_sp32): Merge into...
10738         (*tldo_lduw_sp64): Likewise.
10739         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10740         (*tldo_lduw1_sp64): Use DImode throughout.
10741         (*tldo_ldsw1_sp64): Likewise.
10742         (*tldo_ldx_sp64): Likewise.
10743         (*tldo_stb_sp32): Merge into...
10744         (*tldo_stb_sp64): Likewise.
10745         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10746         (*tldo_sth_sp32): Merge into...
10747         (*tldo_sth_sp64): Likewise.
10748         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10749         (*tldo_stw_sp32): Merge into...
10750         (*tldo_stw_sp64): Likewise.
10751         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10752         (*tldo_stx_sp64): Use DImode throughout.
10753
10754 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10755
10756         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10757         check configure option to set BTI and Return Address Signing.
10758         * configure.ac: Add --enable-standard-branch-protection and
10759         --disable-standard-branch-protection.
10760         * configure: Regenerated.
10761         * doc/install.texi: Document the same.
10762
10763 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10764             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10765
10766         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10767         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10768         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10769         if bti is enabled.
10770         * config/aarch64/aarch64-bti-insert.c: New file.
10771         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10772         pass.
10773         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10774         new bti pass.
10775         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10776         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10777         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10778         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10779
10780 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10781
10782         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10783         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10784         Disable bti for -mbranch-protection=none.
10785         (aarch64_handle_standard_branch_protection): Enable bti for
10786         -mbranch-protection=standard.
10787         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10788         -mbranch-protection.
10789         (aarch64_bti_enabled): Check if bti is enabled.
10790         * config/aarch64/aarch64.opt: Declare target variable.
10791         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10792
10793 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10794
10795         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10796         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10797         (aarch64_expand_epilogue): Likewise.
10798         (aarch64_output_mi_thunk): Likewise
10799         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10800         TAILCALL_ADDR_REGS to x16 and x17.
10801         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10802
10803 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10804
10805         * config/aarch64/aarch64-option-extensions.def: Define
10806         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10807         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10808         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10809         (AARCH64_FL_PREDRES): New.
10810         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10811         AARCH64_FL_PREDRES by default.
10812         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10813
10814 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10815
10816         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10817         ARMv8.5-A.
10818         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10819         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10820         * doc/invoke.texi: Document ARMv8.5-A.
10821
10822 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10823
10824         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10825         (xorsign<mode>3): Likewise.
10826
10827 2019-01-09  Jelinek  <jakub@redhat.com>
10828
10829         PR middle-end/88758
10830         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10831         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10832
10833         PR rtl-optimization/88331
10834         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10835         not currently_expanding_to_rtl.
10836
10837 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10838
10839         * doc/invoke.texi (-Os): Remove trailing spaces.
10840         (-finline-functions): Remove reference to -O2.
10841
10842 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10843
10844         PR rtl-optimization/79593
10845         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10846
10847         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10848         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10849
10850 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10851
10852         PR bootstrap/88721
10853         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10854         to -1 on entry.
10855
10856         PR debug/88723
10857         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10858         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10859
10860 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10861
10862         PR target/88717
10863         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10864         ix86_avx_u128_mode_entry.
10865
10866 2019-01-08  Martin Liska  <mliska@suse.cz>
10867
10868         PR tree-optimization/88753
10869         * tree-switch-conversion.c (switch_conversion::build_one_array):
10870         Come up with local variable constructor.  Convert first to
10871         type of constructor values.
10872
10873 2019-01-08  Richard Biener  <rguenther@suse.de>
10874
10875         PR tree-optimization/86554
10876         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10877         rpo_avail): Move earlier.
10878         (visit_nary_op): When value-numbering to expressions
10879         with different overflow behavior make sure there's an
10880         available expression on the path.
10881
10882 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10883
10884         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10885         aarch64_parse_branch_protection,
10886         struct aarch64_branch_protect_type,
10887         aarch64_handle_no_branch_protection,
10888         aarch64_handle_standard_branch_protection,
10889         aarch64_validate_mbranch_protection,
10890         aarch64_handle_pac_ret_protection,
10891         aarch64_handle_attr_branch_protection,
10892         accepted_branch_protection_string,
10893         aarch64_pac_ret_subtypes,
10894         aarch64_branch_protect_types,
10895         aarch64_handle_pac_ret_leaf): Define.
10896         (aarch64_override_options_after_change_1, aarch64_override_options):
10897         Add check for accepted_branch_protection_string.
10898         (aarch64_option_save): Save accepted_branch_protection_string.
10899         (aarch64_option_restore): Save accepted_branch_protection_string.
10900         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10901         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10902         msign-return-address.
10903         * doc/invoke.texi: Add mbranch-protection.
10904
10905 2019-01-08  Alan Modra  <amodra@gmail.com>
10906
10907         PR target/88614
10908         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10909         Delete "unknownp" parameter.  Adjust callers.  Handle
10910         CONST_INT, PLUS, MINUS, and MULT.
10911         (attr_value_aligned): Renamed from or_attr_value.
10912         (min_attr_value): Return INT_MIN for unhandled rtl case..
10913         (min_fn): ..and translate to INT_MAX here.
10914         (write_length_unit_log): Modify to cope without "unknown".
10915         (write_attr_value): Handle IF_THEN_ELSE.
10916
10917 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10918
10919         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10920         optimization for masked stores.
10921
10922 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10923
10924         PR middle-end/88567
10925         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10926         output vector directly to duplicate_and_interleave instead of
10927         going through a temporary.  Postpone insertion of ctor_seq to
10928         the end of the loop.
10929
10930 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10931
10932         PR target/86891
10933         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10934         unsigned_p.  Handle signed and unsigned overflow correction as
10935         required.
10936         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10937         prototype.
10938         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10939         for operand 2.
10940         (add<mode>3_compareV_imm): Make this callable for expanding.
10941         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10942         aarch64_plus_operand for operand 2.
10943         (subv<GPI:mode>_insn): New insn pattern.
10944         (subv<GPI:mode>_imm): Likewise.
10945         (negv<GPI:mode>3): New expand pattern.
10946         (negv<GPI:mode>_insn): New insn pattern.
10947         (negv<GPI:mode>_cmp_only): Likewise.
10948         (cmpv<GPI:mode>_insn): Likewise.
10949         (subvti4): Use register_operand for operand 1.  Update call to
10950         aarch64_expand_subvti.
10951         (usubvti4): Likewise.
10952         (negvti3): New expand pattern.
10953         (negdi_carryout): New insn pattern.
10954         (negvdi_carryinV): New insn pattern.
10955         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10956         version the named version.
10957         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10958         operands.
10959         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10960         patterns.
10961         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10962         patterns.
10963         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10964         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10965         (sub<mode>3_carryinCV): Delete.
10966         (sub<GPI:mode>3_carryinV): New expand pattern.
10967         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10968
10969 2019-01-07  Richard Biener  <rguenther@suse.de>
10970
10971         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10972         of tree_operand_hash.
10973
10974 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10975
10976         PR tree-optimization/88598
10977         * tree.h (single_nonzero_element): Declare.
10978         * tree.c (single_nonzero_element): New function.
10979         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10980         if I is the only nonzero element of CST.
10981
10982 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10983
10984         PR tree-optimization/88598
10985         * tree.h (initializer_each_zero_or_onep): Declare.
10986         * tree.c (initializer_each_zero_or_onep): New function.
10987         (signed_or_unsigned_type_for): Handle float types too.
10988         (unsigned_type_for, signed_type_for): Update comments accordingly.
10989         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10990         x & { 0 or -1, 0 or -1, ... }.
10991
10992 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10993
10994         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10995         with x86_64-pc-linux-gnu.
10996
10997 2019-01-07  Tom de Vries  <tdevries@suse.de>
10998
10999         PR target/85486
11000         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11001         function.
11002         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11003         routines.
11004
11005 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11006
11007         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11008         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11009         TARGET_AVX512F as condition.
11010
11011         PR debug/88723
11012         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11013         const_not_ok_for_debug_p target hook.
11014         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11015         on UNSPEC and subexpressions thereof if all subexpressions of the
11016         UNSPEC are CONSTANT_P.
11017
11018         PR tree-optimization/88676
11019         * tree-ssa-phiopt.c (two_value_replacement): New function.
11020         (tree_ssa_phiopt_worker): Call it.
11021
11022         PR sanitizer/88619
11023         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11024         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11025
11026         PR c++/85052
11027         * tree-vect-generic.c: Include insn-config.h and recog.h.
11028         (expand_vector_piecewise): Add defaulted ret_type argument,
11029         if non-NULL, use that in preference to type for the result type.
11030         (expand_vector_parallel): Formatting fix.
11031         (do_vec_conversion, do_vec_narrowing_conversion,
11032         expand_vector_conversion): New functions.
11033         (expand_vector_operations_1): Call expand_vector_conversion
11034         for VEC_CONVERT ifn calls.
11035         * internal-fn.def (VEC_CONVERT): New internal function.
11036         * internal-fn.c (expand_VEC_CONVERT): New function.
11037         * fold-const-call.c (fold_const_vec_convert): New function.
11038         (fold_const_call): Use it for CFN_VEC_CONVERT.
11039         * doc/extend.texi (__builtin_convertvector): Document.
11040
11041 2019-01-07  Tom de Vries  <tdevries@suse.de>
11042
11043         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11044         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11045         vector_red_partition, vector_red_sym): New global variables.
11046         (nvptx_option_override): Initialize vector_red_sym.
11047         (nvptx_declare_function_name): Restore red_partition register.
11048         (nvptx_file_end): Emit code to declare the vector reduction variables.
11049         (nvptx_output_red_partition): New function.
11050         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11051         large vector reductions.
11052         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11053         (nvptx_init_builtins): Add VECTOR_ADDR.
11054         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11055         Handle nvptx_expand_shared_addr.
11056         (nvptx_get_shared_red_addr): Add vector argument and handle large
11057         vectors.
11058         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11059         large vectors.
11060         (nvptx_goacc_reduction_init): Likewise.
11061         (nvptx_goacc_reduction_fini): Likewise.
11062         (nvptx_goacc_reduction_teardown): Likewise.
11063         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11064         init,fini,teardown}.
11065         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11066         (nvptx_set_current_function): Init vector_red_partition.
11067         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11068         (nvptx_red_partition): New insn.
11069         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11070
11071 2019-01-07  Tom de Vries  <tdevries@suse.de>
11072
11073         PR target/85381
11074         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11075         empty loops.
11076
11077 2019-01-07  Tom de Vries  <tdevries@suse.de>
11078
11079         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11080         (nvptx_option_override): Init oacc_bcast_partition.
11081         (nvptx_init_oacc_workers): New function.
11082         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11083         (nvptx_needs_shared_bcast): New function.
11084         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11085         to propagate state.
11086         (nvptx_shared_propagate): Initialize vector bcast partition and
11087         synchronization state.
11088         (nvptx_single):  Generalize to enable vectors to use shared-memory
11089         to propagate state.
11090         (nvptx_process_pars): Likewise.
11091         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11092         * config/nvptx/nvptx.h (struct machine_function): Add
11093         bcast_partition and sync_bar members.
11094
11095 2019-01-07  Tom de Vries  <tdevries@suse.de>
11096
11097         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11098         (nvptx_apply_dim_limits): New function.
11099         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11100         PTX_WARP_SIZE.
11101
11102 2019-01-07  Tom de Vries  <tdevries@suse.de>
11103
11104         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11105         as late as possible.
11106
11107 2019-01-07  Tom de Vries  <tdevries@suse.de>
11108
11109         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11110         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11111         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11112         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11113         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11114
11115 2019-01-07  Tom de Vries  <tdevries@suse.de>
11116
11117         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11118
11119 2019-01-07  Tom de Vries  <tdevries@suse.de>
11120
11121         * omp-offload.c (oacc_get_min_dim): New function.
11122         * omp-offload.h (oacc_get_min_dim): Declare.
11123
11124 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11125
11126         PR target/88521
11127         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11128         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11129
11130 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11131
11132         PR tree-opt/86020
11133         Revert:
11134         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11135
11136         * ipa-inline.c (edge_badness): Use inlined_time instead of
11137         inline_summaries->get.
11138
11139 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11140
11141         * opts.c (enable_fdo_optimizations): Enable
11142         version-loops-for-strides, loop-interchange, unrol-and-jam
11143         and tree-loop-distribution.
11144         * invoke.texi: Document newly enabled options.
11145
11146 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11147
11148         * doc/invoke.texi (max-inline-insns-small): New parameters.
11149         * ipa-inline.c (want_early_inline_function_p): simplify.
11150         (want_inline_small_function_p): Fix pasto from previous patch;
11151         use max-inline-insns-small bound.
11152         * params.def (max-inline-insns-small): New param.
11153         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11154         variables correctly.
11155
11156 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11157
11158         * doc/invoke.texi: Document max-inline-insns-size,
11159         uninlined-function-insns, uninlined-function-time,
11160         uninlined-thunk-insns and uninlined-thunk-time.
11161         * params.def: Add max-inline-insns-size,
11162         uninlined-function-insns, uninlined-function-time,
11163         uninlined-thunk-insns and uninlined-thunk-time.
11164         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11165         new parameters.
11166         * ipa-inline.c (can_inline_edge_by_limits_p,
11167         want_inline_small_function_p): Use new parameters.
11168
11169 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11170
11171         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11172
11173 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11174
11175         PR middle-end/82564
11176         PR target/88620
11177         * expr.c (expand_assignment): For calls returning VLA structures
11178         if to_rtx is not a MEM, force it into a stack temporary.
11179
11180         PR debug/88635
11181         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11182         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11183         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11184         subexpressions of both operands.
11185         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11186         subrtxes are CONSTANT_P.
11187         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11188         2018-11-09 changes.
11189
11190 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11191
11192         * params.def (hot-bb-count-ws-permille): Set to 990.
11193
11194 2019-01-04  Martin Sebor  <msebor@redhat.com>
11195
11196         PR c/88546
11197         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11198         leaf.
11199
11200 2019-01-04  Martin Sebor  <msebor@redhat.com>
11201
11202         PR c/88363
11203         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11204
11205 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11206
11207         * gdbinit.in: Turn off pagination for the skip commands, restore
11208         it to previous state afterwards.
11209
11210 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11211
11212         PR target/88594
11213         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11214         of GET_MODE (opN) as modes of the libcall arguments.
11215
11216 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11217
11218         * config/i386/sse.md
11219         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11220         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11221         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11222         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11223         avx512f_vmcmp<mode>3<round_saeonly_name>,
11224         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11225         avx512f_maskcmp<mode>3,
11226         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11227         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11228         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11229         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11230         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11231         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11232         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11233         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11234         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11235         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11236         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11237         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11238         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11239         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11240         avx512cd_maskb_vec_dup<mode>,
11241         avx512cd_maskw_vec_dup<mode>,
11242         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11243         avx512dq_vmfpclass<mode>,
11244         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11245         instead of =Yk.
11246
11247 2019-01-03  Martin Sebor  <msebor@redhat.com>
11248
11249         PR tree-optimization/88659
11250         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11251
11252 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11253
11254         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11255         unaligned vsx and avoid lxvd2x/stxvd2x.
11256         (gen_lvx_v4si_move): New function.
11257
11258 2019-01-03  Tom de Vries  <tdevries@suse.de>
11259
11260         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11261         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11262         function.
11263         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11264
11265 2019-01-03  Tom de Vries  <tdevries@suse.de>
11266
11267         * config/nvptx/nvptx.c (struct offload_attrs): New.
11268         (populate_offload_attrs): New function.  Factor mask extraction out of
11269         nvptx_reorg.  Add extraction of dimensions.
11270         (nvptx_reorg): Use populate_offload_attrs.
11271
11272 2019-01-03  Tom de Vries  <tdevries@suse.de>
11273
11274         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11275         cases for oacc_min_dims_p and routine_p.  Add asserts for
11276         oacc_default_dims_p and offload_region_p.
11277
11278 2019-01-03  Tom de Vries  <tdevries@suse.de>
11279
11280         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11281         factored out of ...
11282         (nvptx_goacc_validate_dims): ... here.
11283
11284 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11285
11286         PR tree-optimization/85574
11287         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11288         structure.
11289         (struct ssa_equip_hash_traits): Declare.
11290         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11291
11292 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11293
11294         PR debug/88644
11295         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11296         change it to qualified_type.
11297
11298 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11299
11300         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11301         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11302
11303 2019-01-02  Martin Sebor  <msebor@redhat.com>
11304             Jeff Law  <law@redhat.com>
11305
11306         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11307         (get_range_strlen_tree): Update appropriately.
11308         (get_range_strlen)
11309         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11310
11311         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11312         rather than set_range_info.
11313         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11314         maybe_set_strlen_range.  Handle potentially boundary crossing
11315         cases more conservatively.
11316         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11317         Call set_strlen_range.
11318         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11319
11320         PR middle-end/88663
11321         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11322         need the flexp argument.
11323         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11324         from calls to get_range_strlen.  Update comments.  Just update
11325         VAL for an unterminated const char array and let the reset of the
11326         code handle it normally.  No longer try to set *flexp.  Adjust
11327         return value.
11328         (get_range_strlen): Update for the new get_range_strlen API.
11329         (get_maxval_strlen): Similarly.
11330         (gimple_fold_builtin_strlen): Handle update meaning of return value
11331         from get_range_strlen.
11332         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11333         get_range_strlen API.
11334
11335 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11336
11337         PR lto/88130
11338         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11339         false at WPA time when body was removed.
11340
11341 2019-01-02  Martin Liska  <mliska@suse.cz>
11342
11343         PR tree-optimization/88650
11344         * predict.c (set_even_probabilities): Calculate probability
11345         remainer only when really used.
11346
11347 2019-01-02  Richard Biener  <rguenther@suse.de>
11348
11349         PR middle-end/88651
11350         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11351         widest_ints when mangling max_stmt_execution results.
11352
11353 2019-01-02  Richard Biener  <rguenther@suse.de>
11354
11355         PR tree-optimization/88621
11356         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11357         bitfields when canoncalizing.
11358
11359 2019-01-02  Richard Biener  <rguenther@suse.de>
11360
11361         PR target/87545
11362         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11363         cost of cheap SSE instruction.
11364
11365 2019-01-02  Richard Biener  <rguenther@suse.de>
11366
11367         PR ipa/85574
11368         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11369         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11370         function.
11371         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11372         set after UIDs before splitting them.
11373
11374 2019-01-01  Martin Sebor  <msebor@redhat.com>
11375             Jeff Law  <law@redhat.com>
11376
11377         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11378         length is optimistic.  If it is, then arrange to compute the
11379         conservative length as well.
11380
11381         * gimple-fold.h (get_range_strlen): Update prototype.
11382         * builtins.c (check_access): Update call to get_range_strlen to use
11383         c_strlen_data pointer.   Change various variable accesses to instead
11384         pull data from the c_strlen_data structure.
11385         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11386         * calls.c (maybe_warn_nonstring_arg): Likewise.
11387         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11388         minimum length if maximum lengh is unknown.
11389         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11390         that used c_strlen, it's no longer needed.  Restructure slightly.
11391         (format_string): Set unlikely range appropriately.
11392         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11393         formatting issues.
11394         (get_range_strlen):  Accept c_strlen_data pointer for external
11395         call sites as well.  Pass through to call to internal get_range_strlen.
11396         Adjust minlen, maxlen and maxbound as needed.
11397         (get_maxval_strlen): Update comments.
11398         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11399         to use c_strlen_data pointer.  Change variable accesses to instead
11400         use c_strlen_data data members.
11401
11402         * gimple-fold.c (get_range_strlen): Update prototype.
11403         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11404         local variables.  Use pdata to return information to caller.
11405         Update calls to get_range_strlen.  Update pdata->maxbound.
11406         (get_range_strlen -- static version): Similarly.
11407         (get_range_strlen -- extern version): Update for internal
11408         get_range_strlen API change.  Convert to external data format.
11409         (get_maxval_strlen): Similarly.
11410
11411 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11412
11413         * coverage.c (get_coverage_counts): Use current_function_decl.
11414         * profile.c (read_thunk_profile): New function.
11415         (branch_prob): Add THUNK parameter.
11416         * tree-profile.c (tree_profiling): Handle thunks.
11417         * value-prof.c (init_node_map): Handle thunks.
11418         * value-prof.h (branch_prob): Upate prototype.
11419         (read_thunk_profile): Declare.
11420
11421 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11422
11423         Update copyright years.
11424
11425         * gcc.c (process_command): Update copyright notice dates.
11426         * gcov-dump.c (print_version): Ditto.
11427         * gcov.c (print_version): Ditto.
11428         * gcov-tool.c (print_version): Ditto.
11429         * gengtype.c (create_file): Ditto.
11430         * doc/cpp.texi: Bump @copying's copyright year.
11431         * doc/cppinternals.texi: Ditto.
11432         * doc/gcc.texi: Ditto.
11433         * doc/gccint.texi: Ditto.
11434         * doc/gcov.texi: Ditto.
11435         * doc/install.texi: Ditto.
11436         * doc/invoke.texi: Ditto.
11437 \f
11438 Copyright (C) 2019 Free Software Foundation, Inc.
11439
11440 Copying and distribution of this file, with or without modification,
11441 are permitted in any medium without royalty provided the copyright
11442 notice and this notice are preserved.